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64028577 = 382325933
BaseRepresentation
bin1111010000111…
…1111110100001
311110110222200210
43310033332201
5112342403302
610204204333
71405143144
oct364177641
9143428623
1064028577
1133162688
12195396a9
131035a842
14870a05b
15594b66c
hex3d0ffa1

64028577 has 8 divisors (see below), whose sum is σ = 85478464. Its totient is φ = 42632208.

The previous prime is 64028567. The next prime is 64028597. The reversal of 64028577 is 77582046.

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

It is not a de Polignac number, because 64028577 - 24 = 64028561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64028567) 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, 10498 + ... + 15435.

It is an arithmetic number, because the mean of its divisors is an integer number (10684808).

Almost surely, 264028577 is an apocalyptic number.

It is an amenable number.

64028577 is a deficient number, since it is larger than the sum of its proper divisors (21449887).

64028577 is a wasteful number, since it uses less digits than its factorization.

64028577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26759.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 64028577 is about 8001.7858631683. The cubic root of 64028577 is about 400.0595265577.

The spelling of 64028577 in words is "sixty-four million, twenty-eight thousand, five hundred seventy-seven".

Divisors: 1 3 823 2469 25933 77799 21342859 64028577