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64375268 = 2219847043
BaseRepresentation
bin1111010110010…
…0100111100100
311111010121021012
43311210213210
5112440002033
610215441352
71411115666
oct365444744
9144117235
1064375268
113337a101
1219686258
131044c599
14879a536
1559b9248
hex3d649e4

64375268 has 12 divisors (see below), whose sum is σ = 118586160. Its totient is φ = 30493512.

The previous prime is 64375261. The next prime is 64375271. The reversal of 64375268 is 86257346.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (64375261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423446 + ... + 423597.

It is an arithmetic number, because the mean of its divisors is an integer number (9882180).

Almost surely, 264375268 is an apocalyptic number.

It is an amenable number.

64375268 is a deficient number, since it is larger than the sum of its proper divisors (54210892).

64375268 is a wasteful number, since it uses less digits than its factorization.

64375268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847066 (or 847064 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 64375268 is about 8023.4199690656. The cubic root of 64375268 is about 400.7802852310.

The spelling of 64375268 in words is "sixty-four million, three hundred seventy-five thousand, two hundred sixty-eight".

Divisors: 1 2 4 19 38 76 847043 1694086 3388172 16093817 32187634 64375268