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13716391 = 132936383
BaseRepresentation
bin110100010100…
…101110100111
3221210212100111
4310110232213
512002411031
61205553451
7224405323
oct64245647
927725314
1013716391
117819367
124715887
132ac3310
141b70983
15130e1b1
hexd14ba7

13716391 has 8 divisors (see below), whose sum is σ = 15281280. Its totient is φ = 12224352.

The previous prime is 13716383. The next prime is 13716403. The reversal of 13716391 is 19361731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13716391 - 23 = 13716383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13716371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17815 + ... + 18568.

It is an arithmetic number, because the mean of its divisors is an integer number (1910160).

Almost surely, 213716391 is an apocalyptic number.

13716391 is a deficient number, since it is larger than the sum of its proper divisors (1564889).

13716391 is a wasteful number, since it uses less digits than its factorization.

13716391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36425.

The product of its digits is 3402, while the sum is 31.

The square root of 13716391 is about 3703.5646342409. The cubic root of 13716391 is about 239.3756398668.

The spelling of 13716391 in words is "thirteen million, seven hundred sixteen thousand, three hundred ninety-one".

Divisors: 1 13 29 377 36383 472979 1055107 13716391