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64769064 = 2332993059
BaseRepresentation
bin1111011100010…
…0110000101000
311111212121110020
43313010300220
5113040102224
610232120440
71414346043
oct367046050
9144777406
1064769064
1133618a58
1219836120
13105598b9
14885dc5a
155a45c79
hex3dc4c28

64769064 has 32 divisors (see below), whose sum is σ = 167508000. Its totient is φ = 20844992.

The previous prime is 64769059. The next prime is 64769077. The reversal of 64769064 is 46096746.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45834 + ... + 47225.

It is an arithmetic number, because the mean of its divisors is an integer number (5234625).

Almost surely, 264769064 is an apocalyptic number.

It is an amenable number.

64769064 is an abundant number, since it is smaller than the sum of its proper divisors (102738936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64769064 is a wasteful number, since it uses less digits than its factorization.

64769064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93097 (or 93093 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 64769064 is about 8047.9229618579. The cubic root of 64769064 is about 401.5958414251.

The spelling of 64769064 in words is "sixty-four million, seven hundred sixty-nine thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 24 29 58 87 116 174 232 348 696 93059 186118 279177 372236 558354 744472 1116708 2233416 2698711 5397422 8096133 10794844 16192266 21589688 32384532 64769064