Base | Representation |
---|---|
bin | 111010000110… |
… | …0111110111101 |
3 | 2010022121211222 |
4 | 1310030332331 |
5 | 30244240020 |
6 | 3004523125 |
7 | 516631106 |
oct | 164147675 |
9 | 63277758 |
10 | 30461885 |
11 | 16216513 |
12 | a2504a5 |
13 | 64072ac |
14 | 408d3ad |
15 | 2a1ab25 |
hex | 1d0cfbd |
30461885 has 8 divisors (see below), whose sum is σ = 37100256. Its totient is φ = 24005520.
The previous prime is 30461863. The next prime is 30461891. The reversal of 30461885 is 58816403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30461885 - 212 = 30457789 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45131 + ... + 45800.
It is an arithmetic number, because the mean of its divisors is an integer number (4637532).
Almost surely, 230461885 is an apocalyptic number.
It is an amenable number.
30461885 is a deficient number, since it is larger than the sum of its proper divisors (6638371).
30461885 is an equidigital number, since it uses as much as digits as its factorization.
30461885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91003.
The product of its (nonzero) digits is 23040, while the sum is 35.
The square root of 30461885 is about 5519.2286598763. The cubic root of 30461885 is about 312.3097850420.
The spelling of 30461885 in words is "thirty million, four hundred sixty-one thousand, eight hundred eighty-five".
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