Base | Representation |
---|---|
bin | 1111010101000… |
… | …0010001010101 |
3 | 11110222100221102 |
4 | 3311100101111 |
5 | 112424320200 |
6 | 10213555445 |
7 | 1410321005 |
oct | 365202125 |
9 | 143870842 |
10 | 64291925 |
11 | 33322525 |
12 | 19645b85 |
13 | 10420679 |
14 | 8778005 |
15 | 599e6d5 |
hex | 3d50455 |
64291925 has 12 divisors (see below), whose sum is σ = 80128800. Its totient is φ = 51171120.
The previous prime is 64291919. The next prime is 64291933. The reversal of 64291925 is 52919246.
It is not a de Polignac number, because 64291925 - 222 = 60097621 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1487 + ... + 11436.
It is an arithmetic number, because the mean of its divisors is an integer number (6677400).
Almost surely, 264291925 is an apocalyptic number.
It is an amenable number.
64291925 is a deficient number, since it is larger than the sum of its proper divisors (15836875).
64291925 is a wasteful number, since it uses less digits than its factorization.
64291925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13132 (or 13127 counting only the distinct ones).
The product of its digits is 38880, while the sum is 38.
The square root of 64291925 is about 8018.2245541017. The cubic root of 64291925 is about 400.6072547211.
The spelling of 64291925 in words is "sixty-four million, two hundred ninety-one thousand, nine hundred twenty-five".
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