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507668712 = 23337571699
BaseRepresentation
bin11110010000100…
…110100011101000
31022101021020112220
4132100212203220
52014430344322
6122213034040
715403053465
oct3620464350
91271236486
10507668712
11240625021
12122025920
138123b7b5
144b5d066c
152e88055c
hex1e4268e8

507668712 has 32 divisors (see below), whose sum is σ = 1303476000. Its totient is φ = 164649024.

The previous prime is 507668687. The next prime is 507668731. The reversal of 507668712 is 217866705.

It is a super-2 number, since 2×5076687122 = 515455042287477888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284962 + ... + 286737.

It is an arithmetic number, because the mean of its divisors is an integer number (40733625).

Almost surely, 2507668712 is an apocalyptic number.

It is an amenable number.

507668712 is an abundant number, since it is smaller than the sum of its proper divisors (795807288).

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

507668712 is a wasteful number, since it uses less digits than its factorization.

507668712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571745 (or 571741 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 507668712 is about 22531.5048765057. The cubic root of 507668712 is about 797.7377295289.

The spelling of 507668712 in words is "five hundred seven million, six hundred sixty-eight thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 444 888 571699 1143398 1715097 2286796 3430194 4573592 6860388 13720776 21152863 42305726 63458589 84611452 126917178 169222904 253834356 507668712