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513130248 = 23332375603
BaseRepresentation
bin11110100101011…
…011111100001000
31022202112201101000
4132211123330020
52022330131443
6122530055000
715500351361
oct3645337410
91282481330
10513130248
11243715394
12123a1a460
1382401687
144c212b68
15300ad8d3
hex1e95bf08

513130248 has 32 divisors (see below), whose sum is σ = 1425362400. Its totient is φ = 171043344.

The previous prime is 513130237. The next prime is 513130273. The reversal of 513130248 is 842031315.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187586 + ... + 1188017.

It is an arithmetic number, because the mean of its divisors is an integer number (44542575).

Almost surely, 2513130248 is an apocalyptic number.

It is an amenable number.

513130248 is an abundant number, since it is smaller than the sum of its proper divisors (912232152).

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

513130248 is a wasteful number, since it uses less digits than its factorization.

513130248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375618 (or 2375608 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 513130248 is about 22652.3784181706. The cubic root of 513130248 is about 800.5882381971.

The spelling of 513130248 in words is "five hundred thirteen million, one hundred thirty thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 2375603 4751206 7126809 9502412 14253618 19004824 21380427 28507236 42760854 57014472 64141281 85521708 128282562 171043416 256565124 513130248