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56227156 = 22196011231
BaseRepresentation
bin1101011001111…
…1010101010100
310220210122011021
43112133111110
5103343232111
65325050524
71251631366
oct326372524
9126718137
1056227156
1129814327
12169b6a44
13b85890b
147678d36
154e09d71
hex359f554

56227156 has 24 divisors (see below), whose sum is σ = 103832960. Its totient is φ = 26568000.

The previous prime is 56227141. The next prime is 56227159. The reversal of 56227156 is 65172265.

It is a super-2 number, since 2×562271562 = 6322986143696672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56227159) 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, 45061 + ... + 46291.

Almost surely, 256227156 is an apocalyptic number.

It is an amenable number.

56227156 is a deficient number, since it is larger than the sum of its proper divisors (47605804).

56227156 is a wasteful number, since it uses less digits than its factorization.

56227156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855 (or 1853 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 56227156 is about 7498.4769120135. The cubic root of 56227156 is about 383.1028408102.

The spelling of 56227156 in words is "fifty-six million, two hundred twenty-seven thousand, one hundred fifty-six".

Divisors: 1 2 4 19 38 76 601 1202 1231 2404 2462 4924 11419 22838 23389 45676 46778 93556 739831 1479662 2959324 14056789 28113578 56227156