Base | Representation |
---|---|
bin | 1000010111010… |
… | …11000100000111 |
3 | 11220000221112220 |
4 | 10023223010013 |
5 | 120430400324 |
6 | 10543543423 |
7 | 1511265606 |
oct | 413530407 |
9 | 156027486 |
10 | 70168839 |
11 | 36676984 |
12 | 1b5bab73 |
13 | 116ca630 |
14 | 9467a3d |
15 | 6260b79 |
hex | 42eb107 |
70168839 has 16 divisors (see below), whose sum is σ = 101277792. Its totient is φ = 42956928.
The previous prime is 70168831. The next prime is 70168867. The reversal of 70168839 is 93886107.
It is not a de Polignac number, because 70168839 - 23 = 70168831 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 70168839.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70168831) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3117 + ... + 12249.
It is an arithmetic number, because the mean of its divisors is an integer number (6329862).
Almost surely, 270168839 is an apocalyptic number.
70168839 is a deficient number, since it is larger than the sum of its proper divisors (31108953).
70168839 is a wasteful number, since it uses less digits than its factorization.
70168839 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9346.
The product of its (nonzero) digits is 72576, while the sum is 42.
The square root of 70168839 is about 8376.6842485556. The cubic root of 70168839 is about 412.4596133095.
The spelling of 70168839 in words is "seventy million, one hundred sixty-eight thousand, eight hundred thirty-nine".
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