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13072472 = 237233437
BaseRepresentation
bin110001110111…
…100001011000
3220121011001122
4301313201120
511321304342
61144104412
7216054110
oct61674130
926534048
1013072472
1174195a6
124465108
1329291ba
141a44040
1512334d2
hexc77858

13072472 has 16 divisors (see below), whose sum is σ = 28012560. Its totient is φ = 5602464.

The previous prime is 13072457. The next prime is 13072517. The reversal of 13072472 is 27427031.

13072472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 116663 + ... + 116774.

It is an arithmetic number, because the mean of its divisors is an integer number (1750785).

Almost surely, 213072472 is an apocalyptic number.

It is an amenable number.

13072472 is an abundant number, since it is smaller than the sum of its proper divisors (14940088).

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

13072472 is a wasteful number, since it uses less digits than its factorization.

13072472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233450 (or 233446 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 13072472 is about 3615.5873658370. The cubic root of 13072472 is about 235.5695976097.

The spelling of 13072472 in words is "thirteen million, seventy-two thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 233437 466874 933748 1634059 1867496 3268118 6536236 13072472