Search a number
-
+
5208157 = 37140761
BaseRepresentation
bin10011110111100001011101
3100210121020201
4103313201131
52313130112
6303343501
762161063
oct23674135
910717221
105208157
112a37a69
1218b1b91
131104766
14998033
156cd257
hex4f785d

5208157 has 4 divisors (see below), whose sum is σ = 5348956. Its totient is φ = 5067360.

The previous prime is 5208149. The next prime is 5208169. The reversal of 5208157 is 7518025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2149156 + 3059001 = 1466^2 + 1749^2 .

It is a cyclic number.

It is not a de Polignac number, because 5208157 - 23 = 5208149 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 (5208457) 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, 70344 + ... + 70417.

It is an arithmetic number, because the mean of its divisors is an integer number (1337239).

Almost surely, 25208157 is an apocalyptic number.

It is an amenable number.

5208157 is a deficient number, since it is larger than the sum of its proper divisors (140799).

5208157 is a wasteful number, since it uses less digits than its factorization.

5208157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140798.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 5208157 is about 2282.1386899135. The cubic root of 5208157 is about 173.3383623623.

The spelling of 5208157 in words is "five million, two hundred eight thousand, one hundred fifty-seven".

Divisors: 1 37 140761 5208157