Base | Representation |
---|---|
bin | 1000001101011… |
… | …10000110111001 |
3 | 11210120222200102 |
4 | 10012232012321 |
5 | 120112324320 |
6 | 10500045145 |
7 | 1464250610 |
oct | 406560671 |
9 | 153528612 |
10 | 68870585 |
11 | 3596a543 |
12 | 1b0937b5 |
13 | 11364734 |
14 | 920a877 |
15 | 60a6175 |
hex | 41ae1b9 |
68870585 has 32 divisors (see below), whose sum is σ = 97293312. Its totient is φ = 45826560.
The previous prime is 68870551. The next prime is 68870591. The reversal of 68870585 is 58507886.
It is not a de Polignac number, because 68870585 - 26 = 68870521 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254000 + ... + 254270.
It is an arithmetic number, because the mean of its divisors is an integer number (3040416).
Almost surely, 268870585 is an apocalyptic number.
It is an amenable number.
68870585 is a deficient number, since it is larger than the sum of its proper divisors (28422727).
68870585 is a wasteful number, since it uses less digits than its factorization.
68870585 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 473.
The product of its (nonzero) digits is 537600, while the sum is 47.
The square root of 68870585 is about 8298.8303392707. The cubic root of 68870585 is about 409.9000053586.
The spelling of 68870585 in words is "sixty-eight million, eight hundred seventy thousand, five hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •