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6157 = 47131
BaseRepresentation
bin1100000001101
322110001
41200031
5144112
644301
723644
oct14015
98401
106157
114698
123691
132a58
14235b
151c57
hex180d

6157 has 4 divisors (see below), whose sum is σ = 6336. Its totient is φ = 5980.

The previous prime is 6151. The next prime is 6163. The reversal of 6157 is 7516.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (6151) and next prime (6163).

It is a cyclic number.

It is not a de Polignac number, because 6157 - 27 = 6029 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19 + ... + 112.

It is an arithmetic number, because the mean of its divisors is an integer number (1584).

26157 is an apocalyptic number.

It is an amenable number.

6157 is a deficient number, since it is larger than the sum of its proper divisors (179).

6157 is a wasteful number, since it uses less digits than its factorization.

6157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178.

The product of its digits is 210, while the sum is 19.

The square root of 6157 is about 78.4665533842. The cubic root of 6157 is about 18.3283365629.

The spelling of 6157 in words is "six thousand, one hundred fifty-seven".

Divisors: 1 47 131 6157