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13497144 = 2331929599
BaseRepresentation
bin110011011111…
…001100111000
3221101201121020
4303133030320
511423402034
61201142440
7222503163
oct63371470
927351536
1013497144
117689671
12462aa20
132a4759b
141b14ada
1512b9249
hexcdf338

13497144 has 32 divisors (see below), whose sum is σ = 35520000. Its totient is φ = 4262112.

The previous prime is 13497109. The next prime is 13497149. The reversal of 13497144 is 44179431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13497149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14344 + ... + 15255.

It is an arithmetic number, because the mean of its divisors is an integer number (1110000).

Almost surely, 213497144 is an apocalyptic number.

It is an amenable number.

13497144 is an abundant number, since it is smaller than the sum of its proper divisors (22022856).

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

13497144 is a wasteful number, since it uses less digits than its factorization.

13497144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29627 (or 29623 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 13497144 is about 3673.8459412447. The cubic root of 13497144 is about 238.0933654354.

The spelling of 13497144 in words is "thirteen million, four hundred ninety-seven thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 29599 59198 88797 118396 177594 236792 355188 562381 710376 1124762 1687143 2249524 3374286 4499048 6748572 13497144