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513109092 = 22342759091
BaseRepresentation
bin11110100101010…
…110110001100100
31022202111122100110
4132211112301210
52022323442332
6122525413020
715500232606
oct3645266144
91282448313
10513109092
11243700501
12123a0a170
13823c4b62
144c209176
15300a74cc
hex1e956c64

513109092 has 12 divisors (see below), whose sum is σ = 1197254576. Its totient is φ = 171036360.

The previous prime is 513109087. The next prime is 513109109. The reversal of 513109092 is 290901315.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21379534 + ... + 21379557.

Almost surely, 2513109092 is an apocalyptic number.

It is an amenable number.

513109092 is an abundant number, since it is smaller than the sum of its proper divisors (684145484).

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

513109092 is a wasteful number, since it uses less digits than its factorization.

513109092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42759098 (or 42759096 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 513109092 is about 22651.9114425251. The cubic root of 513109092 is about 800.5772354822.

The spelling of 513109092 in words is "five hundred thirteen million, one hundred nine thousand, ninety-two".

Divisors: 1 2 3 4 6 12 42759091 85518182 128277273 171036364 256554546 513109092