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228354822400 = 285267353017
BaseRepresentation
bin1101010010101100000…
…0100001000100000000
3210211102102212220110211
43110223000201010000
512220132313304100
6252523232203504
722332562651465
oct3245300410400
9724372786424
10228354822400
1188932386a21
123830b699594
13186c28c10b3
14b0a3c3566c
155e179281ba
hex352b021100

228354822400 has 108 divisors (see below), whose sum is σ = 566064385012. Its totient is φ = 91204485120.

The previous prime is 228354822343. The next prime is 228354822401. The reversal of 228354822400 is 4228453822.

It can be written as a sum of positive squares in 6 ways, for example, as 772395264 + 227582427136 = 27792^2 + 477056^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (228354822401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4280692 + ... + 4333708.

Almost surely, 2228354822400 is an apocalyptic number.

228354822400 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 228354822400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283032192506).

228354822400 is an abundant number, since it is smaller than the sum of its proper divisors (337709562612).

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

228354822400 is an equidigital number, since it uses as much as digits as its factorization.

228354822400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53716 (or 53697 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 40.

The spelling of 228354822400 in words is "two hundred twenty-eight billion, three hundred fifty-four million, eight hundred twenty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 640 673 800 1280 1346 1600 2692 3200 3365 5384 6400 6730 10768 13460 16825 21536 26920 33650 43072 53017 53840 67300 86144 106034 107680 134600 172288 212068 215360 265085 269200 424136 430720 530170 538400 848272 861440 1060340 1076800 1325425 1696544 2120680 2153600 2650850 3393088 4241360 4307200 5301700 6786176 8482720 10603400 13572352 16965440 21206800 33930880 35680441 42413600 67861760 71360882 84827200 142721764 169654400 178402205 285443528 339308800 356804410 570887056 713608820 892011025 1141774112 1427217640 1784022050 2283548224 2854435280 3568044100 4567096448 5708870560 7136088200 9134192896 11417741120 14272176400 22835482240 28544352800 45670964480 57088705600 114177411200 228354822400