Base | Representation |
---|---|
bin | 111010110110… |
… | …1111101000001 |
3 | 2011001210200122 |
4 | 1311231331001 |
5 | 30344442243 |
6 | 3021230025 |
7 | 523204100 |
oct | 165557501 |
9 | 64053618 |
10 | 30859073 |
11 | 16467973 |
12 | a402315 |
13 | 651600b |
14 | 4154037 |
15 | 2a98668 |
hex | 1d6df41 |
30859073 has 12 divisors (see below), whose sum is σ = 36869652. Its totient is φ = 25734240.
The previous prime is 30859067. The next prime is 30859111. The reversal of 30859073 is 37095803.
It can be written as a sum of positive squares in 2 ways, for example, as 28976689 + 1882384 = 5383^2 + 1372^2 .
It is not a de Polignac number, because 30859073 - 26 = 30859009 is a prime.
It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30859373) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6698 + ... + 10323.
It is an arithmetic number, because the mean of its divisors is an integer number (3072471).
Almost surely, 230859073 is an apocalyptic number.
It is an amenable number.
30859073 is a deficient number, since it is larger than the sum of its proper divisors (6010579).
30859073 is a wasteful number, since it uses less digits than its factorization.
30859073 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17072 (or 17065 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 35.
The square root of 30859073 is about 5555.0943286321. The cubic root of 30859073 is about 313.6613148073.
The spelling of 30859073 in words is "thirty million, eight hundred fifty-nine thousand, seventy-three".
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