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12984272 = 247115931
BaseRepresentation
bin110001100001…
…111111010000
3220102200001222
4301201333100
511310444042
61142144212
7215236010
oct61417720
926380058
1012984272
117369304
124422068
1328c8002
141a1dc40
1512172d2
hexc61fd0

12984272 has 20 divisors (see below), whose sum is σ = 28751136. Its totient is φ = 5564640.

The previous prime is 12984269. The next prime is 12984281. The reversal of 12984272 is 27248921.

12984272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 57854 + ... + 58077.

Almost surely, 212984272 is an apocalyptic number.

It is an amenable number.

12984272 is an abundant number, since it is smaller than the sum of its proper divisors (15766864).

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

12984272 is a wasteful number, since it uses less digits than its factorization.

12984272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115946 (or 115940 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 12984272 is about 3603.3695341999. The cubic root of 12984272 is about 235.0386053975.

The spelling of 12984272 in words is "twelve million, nine hundred eighty-four thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 115931 231862 463724 811517 927448 1623034 1854896 3246068 6492136 12984272