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5136157 = 13395089
BaseRepresentation
bin10011100101111100011101
3100122221111001
4103211330131
52303324112
6302030301
761441135
oct23457435
910587431
105136157
112998964
121878391
1310aaa60
14979ac5
156b6c57
hex4e5f1d

5136157 has 4 divisors (see below), whose sum is σ = 5531260. Its totient is φ = 4741056.

The previous prime is 5136143. The next prime is 5136163. The reversal of 5136157 is 7516315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7516315 = 51503263.

It can be written as a sum of positive squares in 2 ways, for example, as 2595321 + 2540836 = 1611^2 + 1594^2 .

It is a cyclic number.

It is not a de Polignac number, because 5136157 - 211 = 5134109 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 (5136757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197532 + ... + 197557.

It is an arithmetic number, because the mean of its divisors is an integer number (1382815).

Almost surely, 25136157 is an apocalyptic number.

It is an amenable number.

5136157 is a deficient number, since it is larger than the sum of its proper divisors (395103).

5136157 is a wasteful number, since it uses less digits than its factorization.

5136157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395102.

The product of its digits is 3150, while the sum is 28.

The square root of 5136157 is about 2266.3091139560. The cubic root of 5136157 is about 172.5358827544.

It can be divided in two parts, 513 and 6157, that added together give a triangular number (6670 = T115).

The spelling of 5136157 in words is "five million, one hundred thirty-six thousand, one hundred fifty-seven".

Divisors: 1 13 395089 5136157