Base | Representation |
---|---|
bin | 111010111111… |
… | …1011101101011 |
3 | 2011012110002000 |
4 | 1311333131223 |
5 | 30404241140 |
6 | 3022542043 |
7 | 523623150 |
oct | 165773553 |
9 | 64173060 |
10 | 30930795 |
11 | 16506845 |
12 | a437923 |
13 | 653c85c |
14 | 4172227 |
15 | 2aaea30 |
hex | 1d7f76b |
30930795 has 64 divisors (see below), whose sum is σ = 63866880. Its totient is φ = 13910400.
The previous prime is 30930787. The next prime is 30930799. The reversal of 30930795 is 59703903.
It is not a de Polignac number, because 30930795 - 23 = 30930787 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30930799) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66865 + ... + 67325.
It is an arithmetic number, because the mean of its divisors is an integer number (997920).
Almost surely, 230930795 is an apocalyptic number.
30930795 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30930795 is an abundant number, since it is smaller than the sum of its proper divisors (32936085).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30930795 is a wasteful number, since it uses less digits than its factorization.
30930795 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 553 (or 547 counting only the distinct ones).
The product of its (nonzero) digits is 25515, while the sum is 36.
The square root of 30930795 is about 5561.5460979839. The cubic root of 30930795 is about 313.9041284387.
The spelling of 30930795 in words is "thirty million, nine hundred thirty thousand, seven hundred ninety-five".
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