Base | Representation |
---|---|
bin | 1000010110101… |
… | …10000011100101 |
3 | 11212212120111212 |
4 | 10023112003211 |
5 | 120420122124 |
6 | 10542041205 |
7 | 1510460000 |
oct | 413260345 |
9 | 155776455 |
10 | 70082789 |
11 | 36618267 |
12 | 1b579205 |
13 | 1169a40a |
14 | 9444537 |
15 | 624540e |
hex | 42d60e5 |
70082789 has 30 divisors (see below), whose sum is σ = 87710514. Its totient is φ = 55977600.
The previous prime is 70082777. The next prime is 70082797. The reversal of 70082789 is 98728007.
It can be written as a sum of positive squares in 3 ways, for example, as 48413764 + 21669025 = 6958^2 + 4655^2 .
It is not a de Polignac number, because 70082789 - 220 = 69034213 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70082189) by changing a digit.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 693839 + ... + 693939.
Almost surely, 270082789 is an apocalyptic number.
It is an amenable number.
70082789 is a deficient number, since it is larger than the sum of its proper divisors (17627725).
70082789 is an equidigital number, since it uses as much as digits as its factorization.
70082789 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163 (or 125 counting only the distinct ones).
The product of its (nonzero) digits is 56448, while the sum is 41.
The square root of 70082789 is about 8371.5463923937. The cubic root of 70082789 is about 412.2909407741.
The spelling of 70082789 in words is "seventy million, eighty-two thousand, seven hundred eighty-nine".
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