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7920112 = 241926053
BaseRepresentation
bin11110001101100111110000
3112220101100111
4132031213300
54011420422
6441431104
7124214464
oct36154760
915811314
107920112
11451a552
12279b494
131843c75
1410a24a4
15a66a77
hex78d9f0

7920112 has 20 divisors (see below), whose sum is σ = 16153480. Its totient is φ = 3751488.

The previous prime is 7920091. The next prime is 7920139. The reversal of 7920112 is 2110297.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12723 + ... + 13330.

It is an arithmetic number, because the mean of its divisors is an integer number (807674).

Almost surely, 27920112 is an apocalyptic number.

It is an amenable number.

7920112 is an abundant number, since it is smaller than the sum of its proper divisors (8233368).

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

7920112 is a wasteful number, since it uses less digits than its factorization.

7920112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26080 (or 26074 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 7920112 is about 2814.2693545572. The cubic root of 7920112 is about 199.3320382860.

The spelling of 7920112 in words is "seven million, nine hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 19 38 76 152 304 26053 52106 104212 208424 416848 495007 990014 1980028 3960056 7920112