Base | Representation |
---|---|
bin | 111010111011… |
… | …1101100000000 |
3 | 2011010211101100 |
4 | 1311313230000 |
5 | 30402231234 |
6 | 3022134400 |
7 | 523431246 |
oct | 165675400 |
9 | 64124340 |
10 | 30898944 |
11 | 1649491a |
12 | a421400 |
13 | 652b1cb |
14 | 4164796 |
15 | 2aa5399 |
hex | 1d77b00 |
30898944 has 54 divisors (see below), whose sum is σ = 89095916. Its totient is φ = 10298880.
The previous prime is 30898939. The next prime is 30898951. The reversal of 30898944 is 44989803.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 30898944.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4402 + ... + 9009.
Almost surely, 230898944 is an apocalyptic number.
It is an amenable number.
30898944 is an abundant number, since it is smaller than the sum of its proper divisors (58196972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30898944 is a wasteful number, since it uses less digits than its factorization.
30898944 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13433 (or 13416 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The square root of 30898944 is about 5558.6818581387. The cubic root of 30898944 is about 313.7963437942.
The spelling of 30898944 in words is "thirty million, eight hundred ninety-eight thousand, nine hundred forty-four".
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