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13964799 = 337971297
BaseRepresentation
bin110101010001…
…010111111111
3222021111002210
4311101113333
512033333144
61215151503
7226461462
oct65212777
928244083
1013964799
117978a62
124815593
132b7c3c4
141bd72d9
15135cab9
hexd515ff

13964799 has 16 divisors (see below), whose sum is σ = 19335008. Its totient is φ = 8957952.

The previous prime is 13964779. The next prime is 13964807. The reversal of 13964799 is 99746931.

It is not a de Polignac number, because 13964799 - 25 = 13964767 is a prime.

It is a super-2 number, since 2×139647992 = 390031222220802, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13964729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10119 + ... + 11415.

It is an arithmetic number, because the mean of its divisors is an integer number (1208438).

Almost surely, 213964799 is an apocalyptic number.

13964799 is a deficient number, since it is larger than the sum of its proper divisors (5370209).

13964799 is a wasteful number, since it uses less digits than its factorization.

13964799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434.

The product of its digits is 367416, while the sum is 48.

The square root of 13964799 is about 3736.9504947216. The cubic root of 13964799 is about 240.8120582678.

The spelling of 13964799 in words is "thirteen million, nine hundred sixty-four thousand, seven hundred ninety-nine".

Divisors: 1 3 37 97 111 291 1297 3589 3891 10767 47989 125809 143967 377427 4654933 13964799