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512076664 = 231129200657
BaseRepresentation
bin11110100001011…
…010101101111000
31022200120012010101
4132201122231320
52022042423124
6122451325144
715455402611
oct3641325570
91280505111
10512076664
11243065860
121235b07b4
1382122c58
144c01ac08
152ee51644
hex1e85ab78

512076664 has 32 divisors (see below), whose sum is σ = 1083553200. Its totient is φ = 224734720.

The previous prime is 512076661. The next prime is 512076673. The reversal of 512076664 is 466670215.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512076661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97777 + ... + 102880.

Almost surely, 2512076664 is an apocalyptic number.

It is an amenable number.

512076664 is an abundant number, since it is smaller than the sum of its proper divisors (571476536).

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

512076664 is a wasteful number, since it uses less digits than its factorization.

512076664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200703 (or 200699 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 512076664 is about 22629.1109856309. The cubic root of 512076664 is about 800.0399271739.

The spelling of 512076664 in words is "five hundred twelve million, seventy-six thousand, six hundred sixty-four".

Divisors: 1 2 4 8 11 22 29 44 58 88 116 232 319 638 1276 2552 200657 401314 802628 1605256 2207227 4414454 5819053 8828908 11638106 17657816 23276212 46552424 64009583 128019166 256038332 512076664