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56675872 = 2511592729
BaseRepresentation
bin1101100000110…
…0111000100000
310221122102200101
43120030320200
5104002111442
65342432144
71255510531
oct330147040
9127572611
1056675872
1129aa0470
1216b92654
13b984c26
147754688
154e97cb7
hex360ce20

56675872 has 48 divisors (see below), whose sum is σ = 123832800. Its totient is φ = 25315840.

The previous prime is 56675837. The next prime is 56675881. The reversal of 56675872 is 27857665.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

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, 19404 + ... + 22132.

It is an arithmetic number, because the mean of its divisors is an integer number (2579850).

Almost surely, 256675872 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 56675872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61916400).

56675872 is an abundant number, since it is smaller than the sum of its proper divisors (67156928).

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

56675872 is a wasteful number, since it uses less digits than its factorization.

56675872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809 (or 2801 counting only the distinct ones).

The product of its digits is 705600, while the sum is 46.

The square root of 56675872 is about 7528.3379307786. The cubic root of 56675872 is about 384.1192482655.

The spelling of 56675872 in words is "fifty-six million, six hundred seventy-five thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 11 16 22 32 44 59 88 118 176 236 352 472 649 944 1298 1888 2596 2729 5192 5458 10384 10916 20768 21832 30019 43664 60038 87328 120076 161011 240152 322022 480304 644044 960608 1288088 1771121 2576176 3542242 5152352 7084484 14168968 28337936 56675872