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65064487 = 2922310061
BaseRepresentation
bin1111100000110…
…0111000100111
311112102121200211
43320030320213
5113124030422
610242320251
71420016245
oct370147047
9145377624
1065064487
11337aaa04
1219959087
13106311c7
1488d9795
155aa3577
hex3e0ce27

65064487 has 8 divisors (see below), whose sum is σ = 67616640. Its totient is φ = 62532960.

The previous prime is 65064481. The next prime is 65064511. The reversal of 65064487 is 78446056.

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

It is a cyclic number.

It is not a de Polignac number, because 65064487 - 219 = 64540199 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 (65064481) 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, 1437 + ... + 11497.

It is an arithmetic number, because the mean of its divisors is an integer number (8452080).

Almost surely, 265064487 is an apocalyptic number.

65064487 is a deficient number, since it is larger than the sum of its proper divisors (2552153).

65064487 is a wasteful number, since it uses less digits than its factorization.

65064487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10313.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 65064487 is about 8066.2560708175. The cubic root of 65064487 is about 402.2054983426.

The spelling of 65064487 in words is "sixty-five million, sixty-four thousand, four hundred eighty-seven".

Divisors: 1 29 223 6467 10061 291769 2243603 65064487