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64528327 = 1092392477
BaseRepresentation
bin1111011000100…
…1111111000111
311111102101020001
43312021333013
5113004401302
610223022131
71412324143
oct366117707
9144371201
1064528327
11334740a6
121973a947
13104a4156
1487da223
1559e9787
hex3d89fc7

64528327 has 8 divisors (see below), whose sum is σ = 65419200. Its totient is φ = 63643104.

The previous prime is 64528309. The next prime is 64528381. The reversal of 64528327 is 72382546.

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 64528327 - 211 = 64526279 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 (64528127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24813 + ... + 27289.

It is an arithmetic number, because the mean of its divisors is an integer number (8177400).

Almost surely, 264528327 is an apocalyptic number.

64528327 is a deficient number, since it is larger than the sum of its proper divisors (890873).

64528327 is a wasteful number, since it uses less digits than its factorization.

64528327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825.

The product of its digits is 80640, while the sum is 37.

The square root of 64528327 is about 8032.9525705061. The cubic root of 64528327 is about 401.0976663163.

The spelling of 64528327 in words is "sixty-four million, five hundred twenty-eight thousand, three hundred twenty-seven".

Divisors: 1 109 239 2477 26051 269993 592003 64528327