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7900112 = 241144887
BaseRepresentation
bin11110001000101111010000
3112212100220202
4132020233100
54010300422
6441154332
7124102253
oct36105720
915770822
107900112
114506520
12278b9a8
131837b2c
14109909a
15a60b92
hex788bd0

7900112 has 20 divisors (see below), whose sum is σ = 16698336. Its totient is φ = 3590880.

The previous prime is 7900103. The next prime is 7900117. The reversal of 7900112 is 2110097.

It is a super-2 number, since 2×79001122 = 124823539225088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7900117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22268 + ... + 22619.

Almost surely, 27900112 is an apocalyptic number.

It is an amenable number.

7900112 is an abundant number, since it is smaller than the sum of its proper divisors (8798224).

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

7900112 is a wasteful number, since it uses less digits than its factorization.

7900112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44906 (or 44900 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 7900112 is about 2810.7137883463. The cubic root of 7900112 is about 199.1641113176.

The spelling of 7900112 in words is "seven million, nine hundred thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 44 88 176 44887 89774 179548 359096 493757 718192 987514 1975028 3950056 7900112