Base | Representation |
---|---|
bin | 1111011111001… |
… | …0101010000111 |
3 | 11112020011100011 |
4 | 3313302222013 |
5 | 113112111223 |
6 | 10240131051 |
7 | 1416061123 |
oct | 367625207 |
9 | 145204304 |
10 | 64957063 |
11 | 33737226 |
12 | 19906a87 |
13 | 105c4342 |
14 | 88ac583 |
15 | 5a8180d |
hex | 3df2a87 |
64957063 has 4 divisors (see below), whose sum is σ = 65424520. Its totient is φ = 64489608.
The previous prime is 64957031. The next prime is 64957069. The reversal of 64957063 is 36075946.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 64957063 - 25 = 64957031 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64957069) 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, 233520 + ... + 233797.
It is an arithmetic number, because the mean of its divisors is an integer number (16356130).
Almost surely, 264957063 is an apocalyptic number.
64957063 is a deficient number, since it is larger than the sum of its proper divisors (467457).
64957063 is a wasteful number, since it uses less digits than its factorization.
64957063 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 467456.
The product of its (nonzero) digits is 136080, while the sum is 40.
The square root of 64957063 is about 8059.5944687062. The cubic root of 64957063 is about 401.9840241005.
The spelling of 64957063 in words is "sixty-four million, nine hundred fifty-seven thousand, sixty-three".
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