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13175057 = 72298219
BaseRepresentation
bin110010010000…
…100100010001
3220210100210002
4302100210101
511333100212
61150215345
7216662150
oct62204421
926710702
1013175057
117489685
1244b4555
132963abc
141a6d597
151253ac2
hexc90911

13175057 has 8 divisors (see below), whose sum is σ = 15124800. Its totient is φ = 11242224.

The previous prime is 13175053. The next prime is 13175059. The reversal of 13175057 is 75057131.

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

It is not a de Polignac number, because 13175057 - 22 = 13175053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13175053) 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, 2507 + ... + 5712.

It is an arithmetic number, because the mean of its divisors is an integer number (1890600).

Almost surely, 213175057 is an apocalyptic number.

It is an amenable number.

13175057 is a deficient number, since it is larger than the sum of its proper divisors (1949743).

13175057 is an equidigital number, since it uses as much as digits as its factorization.

13175057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8455.

The product of its (nonzero) digits is 3675, while the sum is 29.

The square root of 13175057 is about 3629.7461343736. The cubic root of 13175057 is about 236.1841961874.

It can be divided in two parts, 131750 and 57, that multiplied together give a triangular number (7509750 = T3875).

The spelling of 13175057 in words is "thirteen million, one hundred seventy-five thousand, fifty-seven".

Divisors: 1 7 229 1603 8219 57533 1882151 13175057