Base | Representation |
---|---|
bin | 1111010100011… |
… | …0101111010101 |
3 | 11110220101101111 |
4 | 3311012233111 |
5 | 112422043020 |
6 | 10213055021 |
7 | 1410066124 |
oct | 365065725 |
9 | 143811344 |
10 | 64252885 |
11 | 332a6164 |
12 | 19627471 |
13 | 10408978 |
14 | 8767abb |
15 | 5992d5a |
hex | 3d46bd5 |
64252885 has 8 divisors (see below), whose sum is σ = 77183136. Its totient is φ = 51349200.
The previous prime is 64252883. The next prime is 64252891. The reversal of 64252885 is 58825246.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 64252885 - 21 = 64252883 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64252883) 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, 859 + ... + 11368.
It is an arithmetic number, because the mean of its divisors is an integer number (9647892).
Almost surely, 264252885 is an apocalyptic number.
It is an amenable number.
64252885 is a deficient number, since it is larger than the sum of its proper divisors (12930251).
64252885 is a wasteful number, since it uses less digits than its factorization.
64252885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13283.
The product of its digits is 153600, while the sum is 40.
The square root of 64252885 is about 8015.7897302761. The cubic root of 64252885 is about 400.5261513584.
The spelling of 64252885 in words is "sixty-four million, two hundred fifty-two thousand, eight hundred eighty-five".
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