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48972912 = 2431020269
BaseRepresentation
bin1011101011010…
…0010001110000
310102011002012120
42322310101300
5100014113122
64505354240
71133156112
oct272642160
9112132176
1048972912
112570a08a
1214498980
13a1b8a71
14670b3b2
15447575c
hex2eb4470

48972912 has 20 divisors (see below), whose sum is σ = 126513480. Its totient is φ = 16324288.

The previous prime is 48972893. The next prime is 48972923. The reversal of 48972912 is 21927984.

It is a super-2 number, since 2×489729122 = 4796692219519488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510087 + ... + 510182.

It is an arithmetic number, because the mean of its divisors is an integer number (6325674).

Almost surely, 248972912 is an apocalyptic number.

It is an amenable number.

48972912 is an abundant number, since it is smaller than the sum of its proper divisors (77540568).

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

48972912 is a wasteful number, since it uses less digits than its factorization.

48972912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020280 (or 1020274 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 48972912 is about 6998.0648753780. The cubic root of 48972912 is about 365.8631277749.

The spelling of 48972912 in words is "forty-eight million, nine hundred seventy-two thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 1020269 2040538 3060807 4081076 6121614 8162152 12243228 16324304 24486456 48972912