Base | Representation |
---|---|
bin | 1000011011011… |
… | …00111010001000 |
3 | 11221000222002201 |
4 | 10031230322020 |
5 | 121044410210 |
6 | 11003205544 |
7 | 1515642301 |
oct | 415547210 |
9 | 157028081 |
10 | 70700680 |
11 | 369aa516 |
12 | 1b8168b4 |
13 | 1185572b |
14 | 95657a8 |
15 | 631853a |
hex | 436ce88 |
70700680 has 16 divisors (see below), whose sum is σ = 159076620. Its totient is φ = 28280256.
The previous prime is 70700659. The next prime is 70700713. The reversal of 70700680 is 8600707.
It can be written as a sum of positive squares in 2 ways, for example, as 70190884 + 509796 = 8378^2 + 714^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883719 + ... + 883798.
Almost surely, 270700680 is an apocalyptic number.
It is an amenable number.
70700680 is an abundant number, since it is smaller than the sum of its proper divisors (88375940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70700680 is a wasteful number, since it uses less digits than its factorization.
70700680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1767528 (or 1767524 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 28.
The square root of 70700680 is about 8408.3696398291. The cubic root of 70700680 is about 413.4990634972.
The spelling of 70700680 in words is "seventy million, seven hundred thousand, six hundred eighty".
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