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881032256 = 26131736121
BaseRepresentation
bin110100100000110…
…111110001000000
32021101211002001022
4310200313301000
53301021013011
6223231325012
730555436106
oct6440676100
92241732038
10881032256
11412357635
12207080768
131106b5080
148501dc76
15525318db
hex34837c40

881032256 has 56 divisors (see below), whose sum is σ = 1893975384. Its totient is φ = 404213760.

The previous prime is 881032241. The next prime is 881032291. The reversal of 881032256 is 652230188.

It can be written as a sum of positive squares in 4 ways, for example, as 40960000 + 840072256 = 6400^2 + 28984^2 .

It is a super-2 number, since 2×8810322562 = 1552435672224899072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140876 + ... + 146996.

It is an arithmetic number, because the mean of its divisors is an integer number (33820989).

Almost surely, 2881032256 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 881032256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (946987692).

881032256 is an abundant number, since it is smaller than the sum of its proper divisors (1012943128).

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

881032256 is a wasteful number, since it uses less digits than its factorization.

881032256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6319 (or 6309 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 881032256 is about 29682.1875204642. The cubic root of 881032256 is about 958.6585198406.

The spelling of 881032256 in words is "eight hundred eighty-one million, thirty-two thousand, two hundred fifty-six".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 173 208 346 416 692 832 1384 2249 2768 4498 5536 6121 8996 11072 12242 17992 24484 35984 48968 71968 79573 97936 143936 159146 195872 318292 391744 636584 1058933 1273168 2117866 2546336 4235732 5092672 8471464 13766129 16942928 27532258 33885856 55064516 67771712 110129032 220258064 440516128 881032256