Search a number
-
+
513310806 = 23228517267
BaseRepresentation
bin11110100110001…
…000000001010110
31022202212220001100
4132212020001112
52022401421211
6122534010530
715502032651
oct3646100126
91282786040
10513310806
11243829008
12123aa6a46
1382465908
144c25c898
15300e7156
hex1e988056

513310806 has 12 divisors (see below), whose sum is σ = 1112173452. Its totient is φ = 171103596.

The previous prime is 513310799. The next prime is 513310841. The reversal of 513310806 is 608013315.

It is a self number, because there is not a number n which added to its sum of digits gives 513310806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14258616 + ... + 14258651.

It is an arithmetic number, because the mean of its divisors is an integer number (92681121).

Almost surely, 2513310806 is an apocalyptic number.

513310806 is an abundant number, since it is smaller than the sum of its proper divisors (598862646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513310806 is a wasteful number, since it uses less digits than its factorization.

513310806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28517275 (or 28517272 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 513310806 is about 22656.3634769572. The cubic root of 513310806 is about 800.6821296669.

The spelling of 513310806 in words is "five hundred thirteen million, three hundred ten thousand, eight hundred six".

Divisors: 1 2 3 6 9 18 28517267 57034534 85551801 171103602 256655403 513310806