Base | Representation |
---|---|
bin | 111010011000… |
… | …1010011101101 |
3 | 2010121011221111 |
4 | 1310301103231 |
5 | 30314020134 |
6 | 3012032021 |
7 | 521120635 |
oct | 164612355 |
9 | 63534844 |
10 | 30610669 |
11 | 16308281 |
12 | a302611 |
13 | 6459c2b |
14 | 40cb6c5 |
15 | 2a49c64 |
hex | 1d314ed |
30610669 has 2 divisors, whose sum is σ = 30610670. Its totient is φ = 30610668.
The previous prime is 30610661. The next prime is 30610717. The reversal of 30610669 is 96601603.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 20593444 + 10017225 = 4538^2 + 3165^2 .
It is a cyclic number.
It is not a de Polignac number, because 30610669 - 23 = 30610661 is a prime.
It is a super-2 number, since 2×306106692 = 1874026113255122, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30610669.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30610661) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15305334 + 15305335.
It is an arithmetic number, because the mean of its divisors is an integer number (15305335).
Almost surely, 230610669 is an apocalyptic number.
It is an amenable number.
30610669 is a deficient number, since it is larger than the sum of its proper divisors (1).
30610669 is an equidigital number, since it uses as much as digits as its factorization.
30610669 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5832, while the sum is 31.
The square root of 30610669 is about 5532.6909366058. The cubic root of 30610669 is about 312.8174276445.
The spelling of 30610669 in words is "thirty million, six hundred ten thousand, six hundred sixty-nine".
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