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13375165 = 56143853
BaseRepresentation
bin110011000001…
…011010111101
3221011112021111
4303001122331
511411001130
61154402021
7221454436
oct63013275
927145244
1013375165
117605a61
124590311
132a03bcb
141ac248d
15129302a
hexcc16bd

13375165 has 8 divisors (see below), whose sum is σ = 16313688. Its totient is φ = 10524480.

The previous prime is 13375147. The next prime is 13375169. The reversal of 13375165 is 56157331.

It can be written as a sum of positive squares in 4 ways, for example, as 458329 + 12916836 = 677^2 + 3594^2 .

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

It is not a de Polignac number, because 13375165 - 215 = 13342397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13375169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21622 + ... + 22231.

It is an arithmetic number, because the mean of its divisors is an integer number (2039211).

Almost surely, 213375165 is an apocalyptic number.

It is an amenable number.

13375165 is a deficient number, since it is larger than the sum of its proper divisors (2938523).

13375165 is an equidigital number, since it uses as much as digits as its factorization.

13375165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43919.

The product of its digits is 9450, while the sum is 31.

The square root of 13375165 is about 3657.2072678480. The cubic root of 13375165 is about 237.3739460353.

The spelling of 13375165 in words is "thirteen million, three hundred seventy-five thousand, one hundred sixty-five".

Divisors: 1 5 61 305 43853 219265 2675033 13375165