Base | Representation |
---|---|
bin | 111010110100… |
… | …0010001100000 |
3 | 2011000121202222 |
4 | 1311220101200 |
5 | 30343221213 |
6 | 3020530212 |
7 | 523046213 |
oct | 165502140 |
9 | 64017688 |
10 | 30835808 |
11 | 16451443 |
12 | a3b0968 |
13 | 6508553 |
14 | 414977a |
15 | 2a91808 |
hex | 1d68460 |
30835808 has 24 divisors (see below), whose sum is σ = 60904872. Its totient is φ = 15367936.
The previous prime is 30835789. The next prime is 30835811. The reversal of 30835808 is 80853803.
It is a Cunningham number, because it is equal to 55532-1.
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, 9716 + ... + 12492.
It is an arithmetic number, because the mean of its divisors is an integer number (2537703).
Almost surely, 230835808 is an apocalyptic number.
It is an amenable number.
30835808 is a deficient number, since it is larger than the sum of its proper divisors (30069064).
30835808 is a wasteful number, since it uses less digits than its factorization.
30835808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3134 (or 3126 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 35.
The square root of 30835808 is about 5552.9999099586. Note that the first 4 decimals coincide. The cubic root of 30835808 is about 313.5824707334.
The spelling of 30835808 in words is "thirty million, eight hundred thirty-five thousand, eight hundred eight".
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