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13102917 = 343101573
BaseRepresentation
bin110001111110…
…111101000101
3220122200211020
4301332331011
511323243132
61144501353
7216241632
oct61767505
926580736
1013102917
11743a463
12447a859
13293a009
141a51189
15123c52c
hexc7ef45

13102917 has 8 divisors (see below), whose sum is σ = 17877024. Its totient is φ = 8532048.

The previous prime is 13102909. The next prime is 13102927. The reversal of 13102917 is 71920131.

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

It is not a de Polignac number, because 13102917 - 23 = 13102909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13102907) 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, 50658 + ... + 50915.

It is an arithmetic number, because the mean of its divisors is an integer number (2234628).

Almost surely, 213102917 is an apocalyptic number.

It is an amenable number.

13102917 is a deficient number, since it is larger than the sum of its proper divisors (4774107).

13102917 is a wasteful number, since it uses less digits than its factorization.

13102917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101619.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 13102917 is about 3619.7951599504. The cubic root of 13102917 is about 235.7523316261.

The spelling of 13102917 in words is "thirteen million, one hundred two thousand, nine hundred seventeen".

Divisors: 1 3 43 129 101573 304719 4367639 13102917