Base | Representation |
---|---|
bin | 1000011011111… |
… | …00100111001000 |
3 | 11221011020022221 |
4 | 10031330213020 |
5 | 121103440000 |
6 | 11004423424 |
7 | 1516330645 |
oct | 415744710 |
9 | 157136287 |
10 | 70765000 |
11 | 36a43879 |
12 | 1b847b74 |
13 | 11878aa7 |
14 | 9580dcc |
15 | 632c61a |
hex | 437c9c8 |
70765000 has 40 divisors (see below), whose sum is σ = 165814110. Its totient is φ = 28304000.
The previous prime is 70764989. The next prime is 70765031. The reversal of 70765000 is 56707.
It can be written as a sum of positive squares in 5 ways, for example, as 171396 + 70593604 = 414^2 + 8402^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (25).
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 9 ways as a sum of consecutive naturals, for example, 2077 + ... + 12076.
Almost surely, 270765000 is an apocalyptic number.
It is an amenable number.
70765000 is an abundant number, since it is smaller than the sum of its proper divisors (95049110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70765000 is a wasteful number, since it uses less digits than its factorization.
70765000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14179 (or 14160 counting only the distinct ones).
The product of its (nonzero) digits is 1470, while the sum is 25.
The square root of 70765000 is about 8412.1935308218. The cubic root of 70765000 is about 413.6244191916.
The spelling of 70765000 in words is "seventy million, seven hundred sixty-five thousand".
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