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64166956 = 2272291677
BaseRepresentation
bin1111010011000…
…1110000101100
311110202000111221
43310301300230
5112411320311
610211153124
71406260450
oct364616054
9143660457
1064166956
1133247647
12195a57a4
13103a8819
148744660
155977671
hex3d31c2c

64166956 has 12 divisors (see below), whose sum is σ = 128333968. Its totient is φ = 27500112.

The previous prime is 64166887. The next prime is 64166969. The reversal of 64166956 is 65966146.

64166956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

64166956 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 1145811 + ... + 1145866.

Almost surely, 264166956 is an apocalyptic number.

It is an amenable number.

64166956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64166956 is a wasteful number, since it uses less digits than its factorization.

64166956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291688 (or 2291686 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 64166956 is about 8010.4279536115. The cubic root of 64166956 is about 400.3475229820.

The spelling of 64166956 in words is "sixty-four million, one hundred sixty-six thousand, nine hundred fifty-six".

Divisors: 1 2 4 7 14 28 2291677 4583354 9166708 16041739 32083478 64166956