Base | Representation |
---|---|
bin | 1111011110010… |
… | …0111111011101 |
3 | 11112010022112220 |
4 | 3313210333131 |
5 | 113103313320 |
6 | 10235015553 |
7 | 1415435664 |
oct | 367447735 |
9 | 145108486 |
10 | 64901085 |
11 | 336a9167 |
12 | 1989a5b9 |
13 | 105a4a12 |
14 | 8895ddb |
15 | 5a6ee40 |
hex | 3de4fdd |
64901085 has 16 divisors (see below), whose sum is σ = 104872320. Its totient is φ = 34270400.
The previous prime is 64901069. The next prime is 64901099. The reversal of 64901085 is 58010946.
It is not a de Polignac number, because 64901085 - 24 = 64901069 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19905 + ... + 22934.
It is an arithmetic number, because the mean of its divisors is an integer number (6554520).
Almost surely, 264901085 is an apocalyptic number.
It is an amenable number.
64901085 is a deficient number, since it is larger than the sum of its proper divisors (39971235).
64901085 is a wasteful number, since it uses less digits than its factorization.
64901085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42948.
The product of its (nonzero) digits is 8640, while the sum is 33.
The square root of 64901085 is about 8056.1209648316. The cubic root of 64901085 is about 401.8685184229.
The spelling of 64901085 in words is "sixty-four million, nine hundred one thousand, eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •