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56008172 = 22111272913
BaseRepresentation
bin1101010110100…
…1110111101100
310220101111202202
43111221313230
5103314230142
65320241032
71250030063
oct325516754
9126344682
1056008172
1129684850
1216910178
13b7b003c
14761d1da
154db5032
hex3569dec

56008172 has 12 divisors (see below), whose sum is σ = 106924776. Its totient is φ = 25458240.

The previous prime is 56008171. The next prime is 56008201. The reversal of 56008172 is 27180065.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (56008171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636413 + ... + 636500.

It is an arithmetic number, because the mean of its divisors is an integer number (8910398).

Almost surely, 256008172 is an apocalyptic number.

It is an amenable number.

56008172 is a deficient number, since it is larger than the sum of its proper divisors (50916604).

56008172 is a wasteful number, since it uses less digits than its factorization.

56008172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272928 (or 1272926 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 56008172 is about 7483.8607683468. The cubic root of 56008172 is about 382.6048457370.

The spelling of 56008172 in words is "fifty-six million, eight thousand, one hundred seventy-two".

Divisors: 1 2 4 11 22 44 1272913 2545826 5091652 14002043 28004086 56008172