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64015152 = 2431333649
BaseRepresentation
bin1111010000110…
…0101100110000
311110110022021120
43310030230300
5112341441102
610204022240
71405056045
oct364145460
9143408246
1064015152
1133153593
1219531980
13103546b6
1487051cc
1559476bc
hex3d0cb30

64015152 has 20 divisors (see below), whose sum is σ = 165372600. Its totient is φ = 21338368.

The previous prime is 64015139. The next prime is 64015157. The reversal of 64015152 is 25151046.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (64015157) 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, 666777 + ... + 666872.

It is an arithmetic number, because the mean of its divisors is an integer number (8268630).

Almost surely, 264015152 is an apocalyptic number.

It is an amenable number.

64015152 is an abundant number, since it is smaller than the sum of its proper divisors (101357448).

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

64015152 is a wasteful number, since it uses less digits than its factorization.

64015152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333660 (or 1333654 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 64015152 is about 8000.9469439561. The cubic root of 64015152 is about 400.0315641759.

Adding to 64015152 its reverse (25151046), we get a palindrome (89166198).

The spelling of 64015152 in words is "sixty-four million, fifteen thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 1333649 2667298 4000947 5334596 8001894 10669192 16003788 21338384 32007576 64015152