Base | Representation |
---|---|
bin | 111010111011… |
… | …0100110010100 |
3 | 2011010121021011 |
4 | 1311312212110 |
5 | 30402110414 |
6 | 3022102004 |
7 | 523412245 |
oct | 165664624 |
9 | 64117234 |
10 | 30894484 |
11 | 16491535 |
12 | a41a904 |
13 | 652917a |
14 | 4162ccc |
15 | 2aa3dc4 |
hex | 1d76994 |
30894484 has 24 divisors (see below), whose sum is σ = 55675368. Its totient is φ = 14991360.
The previous prime is 30894469. The next prime is 30894517. The reversal of 30894484 is 48449803.
It can be written as a sum of positive squares in 4 ways, for example, as 14653584 + 16240900 = 3828^2 + 4030^2 .
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, 41782 + ... + 42514.
It is an arithmetic number, because the mean of its divisors is an integer number (2319807).
Almost surely, 230894484 is an apocalyptic number.
It is an amenable number.
30894484 is a deficient number, since it is larger than the sum of its proper divisors (24780884).
30894484 is a wasteful number, since it uses less digits than its factorization.
30894484 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1035 (or 1033 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 40.
The square root of 30894484 is about 5558.2806694157. The cubic root of 30894484 is about 313.7812451225.
The spelling of 30894484 in words is "thirty million, eight hundred ninety-four thousand, four hundred eighty-four".
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