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13613296 = 242929339
BaseRepresentation
bin110011111011…
…100011110000
3221121121221011
4303323203300
511441111141
61203440304
7223465624
oct63734360
927547834
1013613296
117758964
124686094
132a88408
141b45184
1512dd881
hexcfb8f0

13613296 has 20 divisors (see below), whose sum is σ = 27286200. Its totient is φ = 6571712.

The previous prime is 13613293. The next prime is 13613297. The reversal of 13613296 is 69231631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13613293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14206 + ... + 15133.

It is an arithmetic number, because the mean of its divisors is an integer number (1364310).

Almost surely, 213613296 is an apocalyptic number.

13613296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13613296 is an abundant number, since it is smaller than the sum of its proper divisors (13672904).

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

13613296 is a wasteful number, since it uses less digits than its factorization.

13613296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29376 (or 29370 counting only the distinct ones).

The product of its digits is 5832, while the sum is 31.

The square root of 13613296 is about 3689.6200346377. The cubic root of 13613296 is about 238.7744000720.

The spelling of 13613296 in words is "thirteen million, six hundred thirteen thousand, two hundred ninety-six".

Divisors: 1 2 4 8 16 29 58 116 232 464 29339 58678 117356 234712 469424 850831 1701662 3403324 6806648 13613296