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13157275 = 52526291
BaseRepresentation
bin110010001100…
…001110011011
3220202110101111
4302030032123
511332013100
61150001151
7216556255
oct62141633
926673344
1013157275
11747728a
1244a61b7
132958991
141a66cd5
15124d6ba
hexc8c39b

13157275 has 6 divisors (see below), whose sum is σ = 16315052. Its totient is φ = 10525800.

The previous prime is 13157267. The next prime is 13157293. The reversal of 13157275 is 57275131.

13157275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13157275 - 23 = 13157267 is a prime.

It is a super-2 number, since 2×131572752 = 346227770851250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 263121 + ... + 263170.

Almost surely, 213157275 is an apocalyptic number.

13157275 is a deficient number, since it is larger than the sum of its proper divisors (3157777).

13157275 is an equidigital number, since it uses as much as digits as its factorization.

13157275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526301 (or 526296 counting only the distinct ones).

The product of its digits is 7350, while the sum is 31.

The square root of 13157275 is about 3627.2958247157. The cubic root of 13157275 is about 236.0778913151.

The spelling of 13157275 in words is "thirteen million, one hundred fifty-seven thousand, two hundred seventy-five".

Divisors: 1 5 25 526291 2631455 13157275