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8135157 = 33896971
BaseRepresentation
bin11111000010000111110101
3120022022100010
4133002013311
54040311112
6450210433
7126101442
oct37020765
916268303
108135157
114657078
122883a19
1318bab04
14111a9c9
15aaa63c
hex7c21f5

8135157 has 8 divisors (see below), whose sum is σ = 10876320. Its totient is φ = 5408720.

The previous prime is 8135147. The next prime is 8135159. The reversal of 8135157 is 7515318.

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 8135157 - 26 = 8135093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8135159) 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, 2319 + ... + 4652.

It is an arithmetic number, because the mean of its divisors is an integer number (1359540).

Almost surely, 28135157 is an apocalyptic number.

It is an amenable number.

8135157 is a deficient number, since it is larger than the sum of its proper divisors (2741163).

8135157 is a wasteful number, since it uses less digits than its factorization.

8135157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7363.

The product of its digits is 4200, while the sum is 30.

The square root of 8135157 is about 2852.2196619475. The cubic root of 8135157 is about 201.1200243521.

The spelling of 8135157 in words is "eight million, one hundred thirty-five thousand, one hundred fifty-seven".

Divisors: 1 3 389 1167 6971 20913 2711719 8135157