Search a number
-
+
13999315 = 5112967131
BaseRepresentation
bin110101011001…
…110011010011
3222100020110011
4311121303103
512040434230
61220015351
7226664221
oct65316323
928306404
1013999315
1179a1990
124831557
132b92025
141c05b11
151367e2a
hexd59cd3

13999315 has 32 divisors (see below), whose sum is σ = 19388160. Its totient is φ = 9609600.

The previous prime is 13999309. The next prime is 13999351. The reversal of 13999315 is 51399931.

It is not a de Polignac number, because 13999315 - 211 = 13997267 is a prime.

Its product of digits (32805) is a multiple of the sum of its prime divisors (243).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106800 + ... + 106930.

It is an arithmetic number, because the mean of its divisors is an integer number (605880).

Almost surely, 213999315 is an apocalyptic number.

13999315 is a deficient number, since it is larger than the sum of its proper divisors (5388845).

13999315 is a wasteful number, since it uses less digits than its factorization.

13999315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243.

The product of its digits is 32805, while the sum is 40.

The square root of 13999315 is about 3741.5658486789. The cubic root of 13999315 is about 241.0102955261.

The spelling of 13999315 in words is "thirteen million, nine hundred ninety-nine thousand, three hundred fifteen".

Divisors: 1 5 11 29 55 67 131 145 319 335 655 737 1441 1595 1943 3685 3799 7205 8777 9715 18995 21373 41789 43885 96547 106865 208945 254533 482735 1272665 2799863 13999315