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513045882 = 23228502549
BaseRepresentation
bin11110100101000…
…111010101111010
31022202101102122100
4132211013111322
52022314432012
6122524204230
715466550406
oct3645072572
91282342570
10513045882
11243667a68
12123999676
13823a215b
144c1d0106
15300938dc
hex1e94757a

513045882 has 12 divisors (see below), whose sum is σ = 1111599450. Its totient is φ = 171015288.

The previous prime is 513045853. The next prime is 513045947. The reversal of 513045882 is 288540315.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 488454201 + 24591681 = 22101^2 + 4959^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14251257 + ... + 14251292.

Almost surely, 2513045882 is an apocalyptic number.

513045882 is an abundant number, since it is smaller than the sum of its proper divisors (598553568).

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

513045882 is a wasteful number, since it uses less digits than its factorization.

513045882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28502557 (or 28502554 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 513045882 is about 22650.5161530593. The cubic root of 513045882 is about 800.5443597149.

The spelling of 513045882 in words is "five hundred thirteen million, forty-five thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 9 18 28502549 57005098 85507647 171015294 256522941 513045882