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513512056 = 2364189007
BaseRepresentation
bin11110100110111…
…001001001111000
31022210021010010001
4132212321021320
52022424341211
6122542202344
715503531461
oct3646711170
91283233101
10513512056
11243956232
12123b833b4
13825063b5
144c2b1d68
1530136ac1
hex1e9b9278

513512056 has 8 divisors (see below), whose sum is σ = 962835120. Its totient is φ = 256756024.

The previous prime is 513512039. The next prime is 513512057. The reversal of 513512056 is 650215315.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513512057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32094496 + ... + 32094511.

It is an arithmetic number, because the mean of its divisors is an integer number (120354390).

Almost surely, 2513512056 is an apocalyptic number.

It is an amenable number.

513512056 is a deficient number, since it is larger than the sum of its proper divisors (449323064).

513512056 is a wasteful number, since it uses less digits than its factorization.

513512056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64189013 (or 64189009 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 513512056 is about 22660.8043987851. The cubic root of 513512056 is about 800.7867551834.

The spelling of 513512056 in words is "five hundred thirteen million, five hundred twelve thousand, fifty-six".

Divisors: 1 2 4 8 64189007 128378014 256756028 513512056