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64164001 = 1121731193
BaseRepresentation
bin1111010011000…
…1000010100001
311110201212110111
43310301002201
5112411222001
610211131321
71406246026
oct364610241
9143655414
1064164001
1133245400
12195a3b41
13103a7385
14874354d
155976851
hex3d310a1

64164001 has 12 divisors (see below), whose sum is σ = 74678436. Its totient is φ = 54897920.

The previous prime is 64163993. The next prime is 64164059. The reversal of 64164001 is 10046146.

It can be written as a sum of positive squares in 2 ways, for example, as 41267776 + 22896225 = 6424^2 + 4785^2 .

It is not a de Polignac number, because 64164001 - 23 = 64163993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64164101) 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 in 11 ways as a sum of consecutive naturals, for example, 13540 + ... + 17653.

It is an arithmetic number, because the mean of its divisors is an integer number (6223203).

Almost surely, 264164001 is an apocalyptic number.

It is an amenable number.

64164001 is a deficient number, since it is larger than the sum of its proper divisors (10514435).

64164001 is a wasteful number, since it uses less digits than its factorization.

64164001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31232 (or 31221 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 64164001 is about 8010.2435044136. The cubic root of 64164001 is about 400.3413773209.

The spelling of 64164001 in words is "sixty-four million, one hundred sixty-four thousand, one".

Divisors: 1 11 17 121 187 2057 31193 343123 530281 3774353 5833091 64164001