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200192640 = 2735127821
BaseRepresentation
bin10111110111010…
…11001010000000
3111221200211200020
423323223022000
5402222131030
631510453440
74650416004
oct1373531200
9457624606
10200192640
11a300476a
1257064280
1332623bab
141c832704
1512896510
hexbeeb280

200192640 has 128 divisors (see below), whose sum is σ = 643921920. Its totient is φ = 52899840.

The previous prime is 200192623. The next prime is 200192651. The reversal of 200192640 is 46291002.

200192640 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×2001926402 = 80154186220339200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 200192640.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243430 + ... + 244250.

It is an arithmetic number, because the mean of its divisors is an integer number (5030640).

Almost surely, 2200192640 is an apocalyptic number.

200192640 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 200192640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321960960).

200192640 is an abundant number, since it is smaller than the sum of its proper divisors (443729280).

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

200192640 is a wasteful number, since it uses less digits than its factorization.

200192640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 200192640 is about 14148.9448369834. The cubic root of 200192640 is about 584.9912483167.

The spelling of 200192640 in words is "two hundred million, one hundred ninety-two thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 127 128 160 192 240 254 320 381 384 480 508 635 640 762 821 960 1016 1270 1524 1642 1905 1920 2032 2463 2540 3048 3284 3810 4064 4105 4926 5080 6096 6568 7620 8128 8210 9852 10160 12192 12315 13136 15240 16256 16420 19704 20320 24384 24630 26272 30480 32840 39408 40640 48768 49260 52544 60960 65680 78816 81280 98520 104267 105088 121920 131360 157632 197040 208534 243840 262720 312801 315264 394080 417068 521335 525440 625602 788160 834136 1042670 1251204 1564005 1576320 1668272 2085340 2502408 3128010 3336544 4170680 5004816 6256020 6673088 8341360 10009632 12512040 13346176 16682720 20019264 25024080 33365440 40038528 50048160 66730880 100096320 200192640