Base | Representation |
---|---|
bin | 1111011010100… |
… | …0101011011101 |
3 | 11111122202200021 |
4 | 3312220223131 |
5 | 113022412140 |
6 | 10225432141 |
7 | 1413356521 |
oct | 366505335 |
9 | 144582607 |
10 | 64654045 |
11 | 3354a5a5 |
12 | 1979b651 |
13 | 10519441 |
14 | 882dd81 |
15 | 5a21b4a |
hex | 3da8add |
64654045 has 8 divisors (see below), whose sum is σ = 77628600. Its totient is φ = 51694080.
The previous prime is 64654019. The next prime is 64654061. The reversal of 64654045 is 54045646.
It can be written as a sum of positive squares in 4 ways, for example, as 11115556 + 53538489 = 3334^2 + 7317^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 64654045 - 27 = 64653917 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 64654045.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13125 + ... + 17365.
It is an arithmetic number, because the mean of its divisors is an integer number (9703575).
Almost surely, 264654045 is an apocalyptic number.
It is an amenable number.
64654045 is a deficient number, since it is larger than the sum of its proper divisors (12974555).
64654045 is a wasteful number, since it uses less digits than its factorization.
64654045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7295.
The product of its (nonzero) digits is 57600, while the sum is 34.
The square root of 64654045 is about 8040.7739055392. The cubic root of 64654045 is about 401.3579782703.
The spelling of 64654045 in words is "sixty-four million, six hundred fifty-four thousand, forty-five".
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