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8972056 = 2317371783
BaseRepresentation
bin100010001110…
…011100011000
3121212211100101
4202032130120
54244101211
6520145144
7136155412
oct42163430
917784311
108972056
115078925
1230081b4
131b21a12
1412979b2
15bc35c1
hex88e718

8972056 has 32 divisors (see below), whose sum is σ = 18303840. Its totient is φ = 4105728.

The previous prime is 8972053. The next prime is 8972069. The reversal of 8972056 is 6502798.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8972053) 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, 4141 + ... + 5923.

It is an arithmetic number, because the mean of its divisors is an integer number (571995).

Almost surely, 28972056 is an apocalyptic number.

It is an amenable number.

8972056 is an abundant number, since it is smaller than the sum of its proper divisors (9331784).

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

8972056 is a wasteful number, since it uses less digits than its factorization.

8972056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843 (or 1839 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 8972056 is about 2995.3390459178. The cubic root of 8972056 is about 207.7928781406.

The spelling of 8972056 in words is "eight million, nine hundred seventy-two thousand, fifty-six".

Divisors: 1 2 4 8 17 34 37 68 74 136 148 296 629 1258 1783 2516 3566 5032 7132 14264 30311 60622 65971 121244 131942 242488 263884 527768 1121507 2243014 4486028 8972056