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56735272 = 2311798161
BaseRepresentation
bin1101100001101…
…1011000101000
310221202110011101
43120123120220
5104011012042
65344011144
71256145646
oct330333050
9127673141
1056735272
112a031060
1217000ab4
13b9a5c89
14776c196
154eaa6b7
hex361b628

56735272 has 32 divisors (see below), whose sum is σ = 117532800. Its totient is φ = 25459200.

The previous prime is 56735269. The next prime is 56735279. The reversal of 56735272 is 27253765.

It is not an unprimeable number, because it can be changed into a prime (56735279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2872 + ... + 11032.

It is an arithmetic number, because the mean of its divisors is an integer number (3672900).

Almost surely, 256735272 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 56735272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58766400).

56735272 is an abundant number, since it is smaller than the sum of its proper divisors (60797528).

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

56735272 is a wasteful number, since it uses less digits than its factorization.

56735272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8257 (or 8253 counting only the distinct ones).

The product of its digits is 88200, while the sum is 37.

The square root of 56735272 is about 7532.2819915348. The cubic root of 56735272 is about 384.2533953964.

The spelling of 56735272 in words is "fifty-six million, seven hundred thirty-five thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 79 88 158 316 632 869 1738 3476 6952 8161 16322 32644 65288 89771 179542 359084 644719 718168 1289438 2578876 5157752 7091909 14183818 28367636 56735272