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13885115 = 57139113
BaseRepresentation
bin110100111101…
…111010111011
3222010102210112
4310331322323
512023310430
61213334535
7226010246
oct64757273
928112715
1013885115
117924102
12479744b
132b5205a
141bb625d
151344195
hexd3debb

13885115 has 8 divisors (see below), whose sum is σ = 16897248. Its totient is φ = 10951360.

The previous prime is 13885103. The next prime is 13885129. The reversal of 13885115 is 51158831.

It is a happy number.

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

It is not a de Polignac number, because 13885115 - 26 = 13885051 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19202 + ... + 19911.

It is an arithmetic number, because the mean of its divisors is an integer number (2112156).

Almost surely, 213885115 is an apocalyptic number.

13885115 is a deficient number, since it is larger than the sum of its proper divisors (3012133).

13885115 is an equidigital number, since it uses as much as digits as its factorization.

13885115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39189.

The product of its digits is 4800, while the sum is 32.

The square root of 13885115 is about 3726.2736077749. The cubic root of 13885115 is about 240.3531548538.

The spelling of 13885115 in words is "thirteen million, eight hundred eighty-five thousand, one hundred fifteen".

Divisors: 1 5 71 355 39113 195565 2777023 13885115