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9999912 = 2331332051
BaseRepresentation
bin100110001001…
…011000101000
3200211001022010
4212021120220
510024444122
6554155520
7150666156
oct46113050
920731263
109999912
11571009a
123422ba0
1320c1810
1414843d6
15d27e0c
hex989628

9999912 has 32 divisors (see below), whose sum is σ = 26923680. Its totient is φ = 3076800.

The previous prime is 9999907. The next prime is 9999929. The reversal of 9999912 is 2199999.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15714 + ... + 16337.

It is an arithmetic number, because the mean of its divisors is an integer number (841365).

Almost surely, 29999912 is an apocalyptic number.

It is an amenable number.

9999912 is an abundant number, since it is smaller than the sum of its proper divisors (16923768).

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

9999912 is a wasteful number, since it uses less digits than its factorization.

9999912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32073 (or 32069 counting only the distinct ones).

The product of its digits is 118098, while the sum is 48.

The square root of 9999912 is about 3162.2637461161. The cubic root of 9999912 is about 215.4428370338.

The spelling of 9999912 in words is "nine million, nine hundred ninety-nine thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 32051 64102 96153 128204 192306 256408 384612 416663 769224 833326 1249989 1666652 2499978 3333304 4999956 9999912