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64264705 = 531414611
BaseRepresentation
bin1111010100100…
…1101000000001
311110220222121021
43311021220001
5112422432310
610213225441
71410145441
oct365115001
9143828537
1064264705
113330402a
1219632281
131041116b
14876c121
1559965da
hex3d49a01

64264705 has 8 divisors (see below), whose sum is σ = 79605504. Its totient is φ = 49753200.

The previous prime is 64264703. The next prime is 64264721. The reversal of 64264705 is 50746246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64264705 - 21 = 64264703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64264703) 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 7 ways as a sum of consecutive naturals, for example, 207151 + ... + 207460.

It is an arithmetic number, because the mean of its divisors is an integer number (9950688).

Almost surely, 264264705 is an apocalyptic number.

It is an amenable number.

64264705 is a deficient number, since it is larger than the sum of its proper divisors (15340799).

64264705 is a wasteful number, since it uses less digits than its factorization.

64264705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414647.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 64264705 is about 8016.5269911602. The cubic root of 64264705 is about 400.5507101977.

The spelling of 64264705 in words is "sixty-four million, two hundred sixty-four thousand, seven hundred five".

Divisors: 1 5 31 155 414611 2073055 12852941 64264705