Base | Representation |
---|---|
bin | 111010111010… |
… | …1010111111000 |
3 | 2011010100101020 |
4 | 1311311113320 |
5 | 30401430324 |
6 | 3022022440 |
7 | 523361514 |
oct | 165652770 |
9 | 64110336 |
10 | 30889464 |
11 | 16488791 |
12 | a417a20 |
13 | 6526ab8 |
14 | 4161144 |
15 | 2aa2679 |
hex | 1d755f8 |
30889464 has 16 divisors (see below), whose sum is σ = 77223720. Its totient is φ = 10296480.
The previous prime is 30889447. The next prime is 30889471. The reversal of 30889464 is 46498803.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643507 + ... + 643554.
Almost surely, 230889464 is an apocalyptic number.
It is an amenable number.
30889464 is an abundant number, since it is smaller than the sum of its proper divisors (46334256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30889464 is a wasteful number, since it uses less digits than its factorization.
30889464 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1287070 (or 1287066 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 42.
The square root of 30889464 is about 5557.8290725786. The cubic root of 30889464 is about 313.7642489151.
The spelling of 30889464 in words is "thirty million, eight hundred eighty-nine thousand, four hundred sixty-four".
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