Base | Representation |
---|---|
bin | 1111011000001… |
… | …0101011000111 |
3 | 11111100212010201 |
4 | 3312002223013 |
5 | 113002422000 |
6 | 10222231331 |
7 | 1412140624 |
oct | 366025307 |
9 | 144325121 |
10 | 64498375 |
11 | 33453647 |
12 | 19725547 |
13 | 10493626 |
14 | 87cd34b |
15 | 59e096a |
hex | 3d82ac7 |
64498375 has 16 divisors (see below), whose sum is σ = 81057600. Its totient is φ = 51237600.
The previous prime is 64498373. The next prime is 64498393. The reversal of 64498375 is 57389446.
It is not a de Polignac number, because 64498375 - 21 = 64498373 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64498373) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16894 + ... + 20356.
It is an arithmetic number, because the mean of its divisors is an integer number (5066100).
Almost surely, 264498375 is an apocalyptic number.
64498375 is a deficient number, since it is larger than the sum of its proper divisors (16559225).
64498375 is a wasteful number, since it uses less digits than its factorization.
64498375 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3627 (or 3617 counting only the distinct ones).
The product of its digits is 725760, while the sum is 46.
The square root of 64498375 is about 8031.0880333863. The cubic root of 64498375 is about 401.0355977793.
The spelling of 64498375 in words is "sixty-four million, four hundred ninety-eight thousand, three hundred seventy-five".
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