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61056256 = 28793019
BaseRepresentation
bin1110100011101…
…0010100000000
311020212222102211
43220322110000
5111112300011
610020351504
71340653402
oct350722400
9136788384
1061056256
1131512518
1218545594
13c859981
148174b72
155560b21
hex3a3a500

61056256 has 36 divisors (see below), whose sum is σ = 123457600. Its totient is φ = 30131712.

The previous prime is 61056221. The next prime is 61056263. The reversal of 61056256 is 65265016.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18715 + ... + 21733.

Almost surely, 261056256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61056256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61728800).

61056256 is an abundant number, since it is smaller than the sum of its proper divisors (62401344).

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

61056256 is an equidigital number, since it uses as much as digits as its factorization.

61056256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114 (or 3100 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 61056256 is about 7813.8502673138. The cubic root of 61056256 is about 393.7706929244.

The spelling of 61056256 in words is "sixty-one million, fifty-six thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 32 64 79 128 158 256 316 632 1264 2528 3019 5056 6038 10112 12076 20224 24152 48304 96608 193216 238501 386432 477002 772864 954004 1908008 3816016 7632032 15264064 30528128 61056256