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513520046 = 21320819491
BaseRepresentation
bin11110100110111…
…011000110101110
31022210021112001222
4132212323012232
52022430120141
6122542303342
715503563664
oct3646730656
91283245058
10513520046
11243961236
12123b87b52
1382509c20
144c2b4c34
153013914b
hex1e9bb1ae

513520046 has 16 divisors (see below), whose sum is σ = 830018448. Its totient is φ = 236870400.

The previous prime is 513520013. The next prime is 513520099. The reversal of 513520046 is 640025315.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 513519997 and 513520024.

It is a congruent number.

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, 49361 + ... + 58851.

It is an arithmetic number, because the mean of its divisors is an integer number (51876153).

Almost surely, 2513520046 is an apocalyptic number.

513520046 is a deficient number, since it is larger than the sum of its proper divisors (316498402).

513520046 is a wasteful number, since it uses less digits than its factorization.

513520046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11587.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 513520046 is about 22660.9806936946. The cubic root of 513520046 is about 800.7909084471.

The spelling of 513520046 in words is "five hundred thirteen million, five hundred twenty thousand, forty-six".

Divisors: 1 2 13 26 2081 4162 9491 18982 27053 54106 123383 246766 19750771 39501542 256760023 513520046