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64363982 = 2192373643
BaseRepresentation
bin1111010110000…
…1110111001110
311111010000210012
43311201313032
5112434121412
610215313222
71411041044
oct365416716
9144100705
1064363982
1133371681
121967b812
13104473c7
148796394
1559b5c22
hex3d61dce

64363982 has 16 divisors (see below), whose sum is σ = 106047360. Its totient is φ = 29162232.

The previous prime is 64363969. The next prime is 64363987. The reversal of 64363982 is 28936346.

It is a super-3 number, since 3×643639823 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64363987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35948 + ... + 37695.

It is an arithmetic number, because the mean of its divisors is an integer number (6627960).

Almost surely, 264363982 is an apocalyptic number.

64363982 is a deficient number, since it is larger than the sum of its proper divisors (41683378).

64363982 is a wasteful number, since it uses less digits than its factorization.

64363982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73687.

The product of its digits is 186624, while the sum is 41.

The square root of 64363982 is about 8022.7166221923. The cubic root of 64363982 is about 400.7568628267.

The spelling of 64363982 in words is "sixty-four million, three hundred sixty-three thousand, nine hundred eighty-two".

Divisors: 1 2 19 23 38 46 437 874 73643 147286 1399217 1693789 2798434 3387578 32181991 64363982