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64165383 = 3267710531
BaseRepresentation
bin1111010011000…
…1011000000111
311110201221100200
43310301120013
5112411243013
610211141543
71406253042
oct364613007
9143657320
1064165383
1133246447
12195a48b3
13103a7ba9
148743c59
155976e73
hex3d31607

64165383 has 12 divisors (see below), whose sum is σ = 92829048. Its totient is φ = 42709680.

The previous prime is 64165379. The next prime is 64165397. The reversal of 64165383 is 38356146.

64165383 is a `hidden beast` number, since 641 + 6 + 5 + 3 + 8 + 3 = 666.

64165383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64165383 - 22 = 64165379 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64165373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 828 + ... + 11358.

It is an arithmetic number, because the mean of its divisors is an integer number (7735754).

Almost surely, 264165383 is an apocalyptic number.

64165383 is a deficient number, since it is larger than the sum of its proper divisors (28663665).

64165383 is a wasteful number, since it uses less digits than its factorization.

64165383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11214 (or 11211 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 64165383 is about 8010.3297684927. The cubic root of 64165383 is about 400.3442515588.

The spelling of 64165383 in words is "sixty-four million, one hundred sixty-five thousand, three hundred eighty-three".

Divisors: 1 3 9 677 2031 6093 10531 31593 94779 7129487 21388461 64165383