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56150172 = 22341313331
BaseRepresentation
bin1101011000110…
…0100010011100
310220122201120000
43112030202130
5103333301142
65323254300
71251161061
oct326144234
9126581500
1056150172
1129771501
121697a390
13b82c870
147658c68
154de214c
hex358c89c

56150172 has 60 divisors (see below), whose sum is σ = 158090856. Its totient is φ = 17275680.

The previous prime is 56150147. The next prime is 56150173. The reversal of 56150172 is 27105165.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56150173) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2454 + ... + 10877.

Almost surely, 256150172 is an apocalyptic number.

56150172 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56150172 is an abundant number, since it is smaller than the sum of its proper divisors (101940684).

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

56150172 is a wasteful number, since it uses less digits than its factorization.

56150172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13360 (or 13349 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 56150172 is about 7493.3418445978. The cubic root of 56150172 is about 382.9279178633.

The spelling of 56150172 in words is "fifty-six million, one hundred fifty thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 81 108 117 156 162 234 324 351 468 702 1053 1404 2106 4212 13331 26662 39993 53324 79986 119979 159972 173303 239958 346606 359937 479916 519909 693212 719874 1039818 1079811 1439748 1559727 2079636 2159622 3119454 4319244 4679181 6238908 9358362 14037543 18716724 28075086 56150172