Base | Representation |
---|---|
bin | 111010111010… |
… | …1000010100100 |
3 | 2011010021111201 |
4 | 1311311002210 |
5 | 30401404400 |
6 | 3022012244 |
7 | 523354525 |
oct | 165650244 |
9 | 64107451 |
10 | 30888100 |
11 | 16487761 |
12 | a417084 |
13 | 65262a9 |
14 | 416084c |
15 | 2aa206a |
hex | 1d750a4 |
30888100 has 36 divisors (see below), whose sum is σ = 67270000. Its totient is φ = 12310560.
The previous prime is 30888083. The next prime is 30888127. The reversal of 30888100 is 188803.
It is a super-2 number, since 2×308881002 = 1908149443220000, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49591 + ... + 50209.
Almost surely, 230888100 is an apocalyptic number.
It is an amenable number.
30888100 is an abundant number, since it is smaller than the sum of its proper divisors (36381900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30888100 is a wasteful number, since it uses less digits than its factorization.
30888100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1132 (or 1125 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 28.
The square root of 30888100 is about 5557.7063614408. The cubic root of 30888100 is about 313.7596305039.
The spelling of 30888100 in words is "thirty million, eight hundred eighty-eight thousand, one hundred".
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