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13189395 = 352933001
BaseRepresentation
bin110010010100…
…000100010011
3220211002110010
4302110010103
511334030040
61150410003
7220052022
oct62240423
926732403
1013189395
11749942a
124500903
13296a49b
141a748b9
151257e80
hexc94113

13189395 has 16 divisors (see below), whose sum is σ = 21182112. Its totient is φ = 7008000.

The previous prime is 13189369. The next prime is 13189409. The reversal of 13189395 is 59398131.

It is a de Polignac number, because none of the positive numbers 2k-13189395 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2895 + ... + 5895.

It is an arithmetic number, because the mean of its divisors is an integer number (1323882).

Almost surely, 213189395 is an apocalyptic number.

13189395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13189395 is a deficient number, since it is larger than the sum of its proper divisors (7992717).

13189395 is a wasteful number, since it uses less digits than its factorization.

13189395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302.

The product of its digits is 29160, while the sum is 39.

The square root of 13189395 is about 3631.7206665712. The cubic root of 13189395 is about 236.2698424027.

The spelling of 13189395 in words is "thirteen million, one hundred eighty-nine thousand, three hundred ninety-five".

Divisors: 1 3 5 15 293 879 1465 3001 4395 9003 15005 45015 879293 2637879 4396465 13189395