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64086284 = 2216021571
BaseRepresentation
bin1111010001111…
…0000100001100
311110120220212002
43310132010030
5112401230114
610205331432
71405503323
oct364360414
9143526762
1064086284
11331a1a79
1219566b78
131037aba2
1487230ba
15595d7de
hex3d1e10c

64086284 has 6 divisors (see below), whose sum is σ = 112151004. Its totient is φ = 32043140.

The previous prime is 64086263. The next prime is 64086289. The reversal of 64086284 is 48268046.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (64086289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8010782 + ... + 8010789.

It is an arithmetic number, because the mean of its divisors is an integer number (18691834).

Almost surely, 264086284 is an apocalyptic number.

It is an amenable number.

64086284 is a deficient number, since it is larger than the sum of its proper divisors (48064720).

64086284 is a wasteful number, since it uses less digits than its factorization.

64086284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16021575 (or 16021573 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 64086284 is about 8005.3909336147. The cubic root of 64086284 is about 400.1796776111.

The spelling of 64086284 in words is "sixty-four million, eighty-six thousand, two hundred eighty-four".

Divisors: 1 2 4 16021571 32043142 64086284