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64048625 = 53512389
BaseRepresentation
bin1111010001010…
…0110111110001
311110112000012022
43310110313301
5112344024000
610204441225
71405255454
oct364246761
9143460168
1064048625
1133176753
1219549215
13103669c4
14871349b
155952585
hex3d14df1

64048625 has 8 divisors (see below), whose sum is σ = 79932840. Its totient is φ = 51238800.

The previous prime is 64048619. The next prime is 64048627. The reversal of 64048625 is 52684046.

It can be written as a sum of positive squares in 4 ways, for example, as 13126129 + 50922496 = 3623^2 + 7136^2 .

It is a de Polignac number, because none of the positive numbers 2k-64048625 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64048627) 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, 256070 + ... + 256319.

It is an arithmetic number, because the mean of its divisors is an integer number (9991605).

Almost surely, 264048625 is an apocalyptic number.

It is an amenable number.

64048625 is a deficient number, since it is larger than the sum of its proper divisors (15884215).

64048625 is an equidigital number, since it uses as much as digits as its factorization.

64048625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512404 (or 512394 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 64048625 is about 8003.0384854754. The cubic root of 64048625 is about 400.1012764389.

The spelling of 64048625 in words is "sixty-four million, forty-eight thousand, six hundred twenty-five".

Divisors: 1 5 25 125 512389 2561945 12809725 64048625