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5157215 = 57295081
BaseRepresentation
bin10011101011000101011111
3100201000100222
4103223011133
52310012330
6302311555
761556420
oct23530537
910630328
105157215
112a02768
1218885bb
1310b750b
14983647
156bd0e5
hex4eb15f

5157215 has 16 divisors (see below), whose sum is σ = 7318080. Its totient is φ = 3413760.

The previous prime is 5157203. The next prime is 5157241. The reversal of 5157215 is 5127515.

It is a happy number.

It is not a de Polignac number, because 5157215 - 218 = 4895071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1526 + ... + 3555.

It is an arithmetic number, because the mean of its divisors is an integer number (457380).

Almost surely, 25157215 is an apocalyptic number.

5157215 is a deficient number, since it is larger than the sum of its proper divisors (2160865).

5157215 is a wasteful number, since it uses less digits than its factorization.

5157215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5122.

The product of its digits is 1750, while the sum is 26.

The square root of 5157215 is about 2270.9502416389. The cubic root of 5157215 is about 172.7713575462.

The spelling of 5157215 in words is "five million, one hundred fifty-seven thousand, two hundred fifteen".

Divisors: 1 5 7 29 35 145 203 1015 5081 25405 35567 147349 177835 736745 1031443 5157215