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13675157 = 17978293
BaseRepresentation
bin110100001010…
…101010010101
3221201202210022
4310022222111
512000101112
61205034525
7224144156
oct64125225
927652708
1013675157
1177a0391
1246b5a45
132aaa612
141b5d92d
151301d72
hexd0aa95

13675157 has 8 divisors (see below), whose sum is σ = 14630616. Its totient is φ = 12736512.

The previous prime is 13675091. The next prime is 13675177. The reversal of 13675157 is 75157631.

It can be written as a sum of positive squares in 4 ways, for example, as 1745041 + 11930116 = 1321^2 + 3454^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13675157 - 214 = 13658773 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 (13675177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2498 + ... + 5795.

It is an arithmetic number, because the mean of its divisors is an integer number (1828827).

Almost surely, 213675157 is an apocalyptic number.

13675157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13675157 is a deficient number, since it is larger than the sum of its proper divisors (955459).

13675157 is an equidigital number, since it uses as much as digits as its factorization.

13675157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8407.

The product of its digits is 22050, while the sum is 35.

The square root of 13675157 is about 3697.9936452082. The cubic root of 13675157 is about 239.1355300000.

The spelling of 13675157 in words is "thirteen million, six hundred seventy-five thousand, one hundred fifty-seven".

Divisors: 1 17 97 1649 8293 140981 804421 13675157