Base | Representation |
---|---|
bin | 111001011110… |
… | …0101001001000 |
3 | 2002200220102221 |
4 | 1302330221020 |
5 | 30203222213 |
6 | 2553503424 |
7 | 514060516 |
oct | 162745110 |
9 | 62626387 |
10 | 30132808 |
11 | 16011252 |
12 | a111b74 |
13 | 6320584 |
14 | 40054b6 |
15 | 29a338d |
hex | 1cbca48 |
30132808 has 8 divisors (see below), whose sum is σ = 56499030. Its totient is φ = 15066400.
The previous prime is 30132799. The next prime is 30132811. The reversal of 30132808 is 80823103.
It can be written as a sum of positive squares in only one way, i.e., 27436644 + 2696164 = 5238^2 + 1642^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×301328082 = 1815972235929728, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1883293 + ... + 1883308.
Almost surely, 230132808 is an apocalyptic number.
It is an amenable number.
30132808 is a deficient number, since it is larger than the sum of its proper divisors (26366222).
30132808 is a wasteful number, since it uses less digits than its factorization.
30132808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3766607 (or 3766603 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 25.
The square root of 30132808 is about 5489.3358432510. The cubic root of 30132808 is about 311.1810926849.
The spelling of 30132808 in words is "thirty million, one hundred thirty-two thousand, eight hundred eight".
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