Base | Representation |
---|---|
bin | 111010111001… |
… | …1111111100100 |
3 | 2011010001121220 |
4 | 1311303333210 |
5 | 30401240222 |
6 | 3021540340 |
7 | 523336161 |
oct | 165637744 |
9 | 64101556 |
10 | 30883812 |
11 | 16484513 |
12 | a4146b0 |
13 | 652435b |
14 | 415d068 |
15 | 2aa0b5c |
hex | 1d73fe4 |
30883812 has 48 divisors (see below), whose sum is σ = 75661824. Its totient is φ = 9792000.
The previous prime is 30883807. The next prime is 30883823. The reversal of 30883812 is 21838803.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22012 + ... + 23372.
It is an arithmetic number, because the mean of its divisors is an integer number (1576288).
Almost surely, 230883812 is an apocalyptic number.
It is an amenable number.
30883812 is an abundant number, since it is smaller than the sum of its proper divisors (44778012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30883812 is a wasteful number, since it uses less digits than its factorization.
30883812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1460 (or 1458 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 33.
The square root of 30883812 is about 5557.3205774006. The cubic root of 30883812 is about 313.7451107422.
The spelling of 30883812 in words is "thirty million, eight hundred eighty-three thousand, eight hundred twelve".
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