Base | Representation |
---|---|
bin | 1000011011110… |
… | …01000111000100 |
3 | 11221010111122211 |
4 | 10031321013010 |
5 | 121103010120 |
6 | 11004233204 |
7 | 1516241101 |
oct | 415710704 |
9 | 157114584 |
10 | 70750660 |
11 | 36a34022 |
12 | 1b83b804 |
13 | 118723c6 |
14 | 9579aa8 |
15 | 632825a |
hex | 43791c4 |
70750660 has 48 divisors (see below), whose sum is σ = 154977984. Its totient is φ = 27105408.
The previous prime is 70750657. The next prime is 70750681. The reversal of 70750660 is 6605707.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48867 + ... + 50293.
It is an arithmetic number, because the mean of its divisors is an integer number (3228708).
Almost surely, 270750660 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70750660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77488992).
70750660 is an abundant number, since it is smaller than the sum of its proper divisors (84227324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70750660 is a wasteful number, since it uses less digits than its factorization.
70750660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1540 (or 1538 counting only the distinct ones).
The product of its (nonzero) digits is 8820, while the sum is 31.
The square root of 70750660 is about 8411.3411534666. The cubic root of 70750660 is about 413.5964780019.
The spelling of 70750660 in words is "seventy million, seven hundred fifty thousand, six hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •