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517161472 = 291010081
BaseRepresentation
bin11110110100110…
…100001000000000
31100001010112011121
4132310310020000
52024343131342
6123152322024
715546541252
oct3664641000
91301115147
10517161472
11245a19083
12125243314
13831b3509
144c981cd2
1530608067
hex1ed34200

517161472 has 20 divisors (see below), whose sum is σ = 1033313886. Its totient is φ = 258580480.

The previous prime is 517161461. The next prime is 517161479. The reversal of 517161472 is 274161715.

It can be written as a sum of positive squares in only one way, i.e., 509675776 + 7485696 = 22576^2 + 2736^2 .

It is not an unprimeable number, because it can be changed into a prime (517161479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504529 + ... + 505552.

Almost surely, 2517161472 is an apocalyptic number.

It is an amenable number.

517161472 is a deficient number, since it is larger than the sum of its proper divisors (516152414).

517161472 is an equidigital number, since it uses as much as digits as its factorization.

517161472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010099 (or 1010083 counting only the distinct ones).

The product of its digits is 11760, while the sum is 34.

The square root of 517161472 is about 22741.1844898193. The cubic root of 517161472 is about 802.6792834495.

The spelling of 517161472 in words is "five hundred seventeen million, one hundred sixty-one thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 256 512 1010081 2020162 4040324 8080648 16161296 32322592 64645184 129290368 258580736 517161472