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13992338 = 2101113613
BaseRepresentation
bin110101011000…
…000110010010
3222022212212202
4311120012102
512040223323
61215523202
7226634663
oct65300622
928285782
1013992338
117997718
124829502
132b8bab9
141c0336a
151365d28
hexd58192

13992338 has 16 divisors (see below), whose sum is σ = 21418776. Its totient is φ = 6854400.

The previous prime is 13992337. The next prime is 13992353. The reversal of 13992338 is 83329931.

It can be written as a sum of positive squares in 4 ways, for example, as 6932689 + 7059649 = 2633^2 + 2657^2 .

It is not an unprimeable number, because it can be changed into a prime (13992331) 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, 22520 + ... + 23132.

Almost surely, 213992338 is an apocalyptic number.

13992338 is a deficient number, since it is larger than the sum of its proper divisors (7426438).

13992338 is a wasteful number, since it uses less digits than its factorization.

13992338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829.

The product of its digits is 34992, while the sum is 38.

The square root of 13992338 is about 3740.6333688294. The cubic root of 13992338 is about 240.9702505131.

The spelling of 13992338 in words is "thirteen million, nine hundred ninety-two thousand, three hundred thirty-eight".

Divisors: 1 2 101 113 202 226 613 1226 11413 22826 61913 69269 123826 138538 6996169 13992338