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202204020400 = 245247107100519
BaseRepresentation
bin1011110001010001001…
…1000111111010110000
3201022220221112112002121
42330110103013322300
511303103212123100
6232520301524024
720415542546314
oct2742423077260
9638827475077
10202204020400
1178832997368
1233231873614
13160b5b2a765
149b02ac7b44
1553d6bd751a
hex2f144c7eb0

202204020400 has 120 divisors (see below), whose sum is σ = 500772948480. Its totient is φ = 78420122880.

The previous prime is 202204020391. The next prime is 202204020419. The reversal of 202204020400 is 4020402202.

202204020400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×2022040204004 (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1961341 + ... + 2061859.

It is an arithmetic number, because the mean of its divisors is an integer number (4173107904).

Almost surely, 2202204020400 is an apocalyptic number.

202204020400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202204020400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250386474240).

202204020400 is an abundant number, since it is smaller than the sum of its proper divisors (298568928080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202204020400 is a wasteful number, since it uses less digits than its factorization.

202204020400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100691 (or 100680 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 202204020400 its reverse (4020402202), we get a palindrome (206224422602).

The spelling of 202204020400 in words is "two hundred two billion, two hundred four million, twenty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 47 50 80 94 100 107 188 200 214 235 376 400 428 470 535 752 856 940 1070 1175 1712 1880 2140 2350 2675 3760 4280 4700 5029 5350 8560 9400 10058 10700 18800 20116 21400 25145 40232 42800 50290 80464 100519 100580 125725 201038 201160 251450 402076 402320 502595 502900 804152 1005190 1005800 1608304 2010380 2011600 2512975 4020760 4724393 5025950 8041520 9448786 10051900 10755533 18897572 20103800 21511066 23621965 37795144 40207600 43022132 47243930 53777665 75590288 86044264 94487860 107555330 118109825 172088528 188975720 215110660 236219650 268888325 377951440 430221320 472439300 505510051 537776650 860442640 944878600 1011020102 1075553300 1889757200 2022040204 2151106600 2527550255 4044080408 4302213200 5055100510 8088160816 10110201020 12637751275 20220402040 25275502550 40440804080 50551005100 101102010200 202204020400