Base | Representation |
---|---|
bin | 1000011100111… |
… | …00110010010101 |
3 | 11221101221010000 |
4 | 10032130302111 |
5 | 121122144124 |
6 | 11011321513 |
7 | 1520420115 |
oct | 416346225 |
9 | 157357100 |
10 | 70896789 |
11 | 37023897 |
12 | 1b8b0299 |
13 | 118c3a82 |
14 | 95b7045 |
15 | 63566c9 |
hex | 439cc95 |
70896789 has 10 divisors (see below), whose sum is σ = 105907670. Its totient is φ = 47264472.
The previous prime is 70896781. The next prime is 70896799. The reversal of 70896789 is 98769807.
It can be written as a sum of positive squares in only one way, i.e., 44116164 + 26780625 = 6642^2 + 5175^2 .
It is not a de Polignac number, because 70896789 - 23 = 70896781 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70896781) by changing a digit.
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, 437554 + ... + 437715.
It is an arithmetic number, because the mean of its divisors is an integer number (10590767).
Almost surely, 270896789 is an apocalyptic number.
It is an amenable number.
70896789 is a deficient number, since it is larger than the sum of its proper divisors (35010881).
70896789 is an equidigital number, since it uses as much as digits as its factorization.
70896789 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 875281 (or 875272 counting only the distinct ones).
The product of its (nonzero) digits is 1524096, while the sum is 54.
The square root of 70896789 is about 8420.0230997308. The cubic root of 70896789 is about 413.8810307179.
The spelling of 70896789 in words is "seventy million, eight hundred ninety-six thousand, seven hundred eighty-nine".
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