Base | Representation |
---|---|
bin | 1000010110101… |
… | …10000100110110 |
3 | 11212212120121212 |
4 | 10023112010312 |
5 | 120420122440 |
6 | 10542041422 |
7 | 1510460144 |
oct | 413260466 |
9 | 155776555 |
10 | 70082870 |
11 | 36618330 |
12 | 1b579272 |
13 | 1169a470 |
14 | 9444594 |
15 | 6245465 |
hex | 42d6136 |
70082870 has 32 divisors (see below), whose sum is σ = 148206240. Its totient is φ = 23523840.
The previous prime is 70082867. The next prime is 70082897. The reversal of 70082870 is 7828007.
It is a happy number.
It is a congruent number.
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, 23075 + ... + 25934.
It is an arithmetic number, because the mean of its divisors is an integer number (4631445).
Almost surely, 270082870 is an apocalyptic number.
70082870 is an abundant number, since it is smaller than the sum of its proper divisors (78123370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70082870 is a wasteful number, since it uses less digits than its factorization.
70082870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49040.
The product of its (nonzero) digits is 6272, while the sum is 32.
The square root of 70082870 is about 8371.5512302082. The cubic root of 70082870 is about 412.2910996126.
The spelling of 70082870 in words is "seventy million, eighty-two thousand, eight hundred seventy".
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