Base | Representation |
---|---|
bin | 111010110000… |
… | …0010000100110 |
3 | 2010221221202012 |
4 | 1311200100212 |
5 | 30341143412 |
6 | 3020114222 |
7 | 522551420 |
oct | 165402046 |
9 | 63857665 |
10 | 30802982 |
11 | 16429811 |
12 | a395972 |
13 | 64c6622 |
14 | 413b810 |
15 | 2a86c22 |
hex | 1d60426 |
30802982 has 16 divisors (see below), whose sum is σ = 53594880. Its totient is φ = 13003848.
The previous prime is 30802973. The next prime is 30802991. The reversal of 30802982 is 28920803.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (30802973) and next prime (30802991).
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, 15482 + ... + 17357.
It is an arithmetic number, because the mean of its divisors is an integer number (3349680).
Almost surely, 230802982 is an apocalyptic number.
30802982 is a deficient number, since it is larger than the sum of its proper divisors (22791898).
30802982 is a wasteful number, since it uses less digits than its factorization.
30802982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32915.
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 30802982 is about 5550.0434232536. The cubic root of 30802982 is about 313.4711573644.
The spelling of 30802982 in words is "thirty million, eight hundred two thousand, nine hundred eighty-two".
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