Base | Representation |
---|---|
bin | 1000011000011… |
… | …01100100010101 |
3 | 11220022010102012 |
4 | 10030031210111 |
5 | 120444411130 |
6 | 10550554005 |
7 | 1512424622 |
oct | 414154425 |
9 | 156263365 |
10 | 70310165 |
11 | 36763082 |
12 | 1b668905 |
13 | 11749a63 |
14 | 94a3349 |
15 | 628c995 |
hex | 430d915 |
70310165 has 12 divisors (see below), whose sum is σ = 89048844. Its totient is φ = 53286336.
The previous prime is 70310161. The next prime is 70310183. The reversal of 70310165 is 56101307.
It can be written as a sum of positive squares in 2 ways, for example, as 52678564 + 17631601 = 7258^2 + 4199^2 .
It is not a de Polignac number, because 70310165 - 22 = 70310161 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 70310165.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70310161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17672 + ... + 21281.
It is an arithmetic number, because the mean of its divisors is an integer number (7420737).
Almost surely, 270310165 is an apocalyptic number.
It is an amenable number.
70310165 is a deficient number, since it is larger than the sum of its proper divisors (18738679).
70310165 is a wasteful number, since it uses less digits than its factorization.
70310165 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38996 (or 38977 counting only the distinct ones).
The product of its (nonzero) digits is 630, while the sum is 23.
The square root of 70310165 is about 8385.1156819689. The cubic root of 70310165 is about 412.7363371723.
The spelling of 70310165 in words is "seventy million, three hundred ten thousand, one hundred sixty-five".
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