Base | Representation |
---|---|
bin | 111010101001… |
… | …1111110110000 |
3 | 2010212101202110 |
4 | 1311103332300 |
5 | 30333041223 |
6 | 3015045320 |
7 | 522251661 |
oct | 165237660 |
9 | 63771673 |
10 | 30752688 |
11 | 163a4a4a |
12 | a370840 |
13 | 64a9775 |
14 | 4127368 |
15 | 2a76d93 |
hex | 1d53fb0 |
30752688 has 40 divisors (see below), whose sum is σ = 80798400. Its totient is φ = 10076224.
The previous prime is 30752681. The next prime is 30752693. The reversal of 30752688 is 88625703.
It is not an unprimeable number, because it can be changed into a prime (30752681) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2598 + ... + 8261.
It is an arithmetic number, because the mean of its divisors is an integer number (2019960).
Almost surely, 230752688 is an apocalyptic number.
It is an amenable number.
30752688 is an abundant number, since it is smaller than the sum of its proper divisors (50045712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30752688 is a wasteful number, since it uses less digits than its factorization.
30752688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10929 (or 10923 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 30752688 is about 5545.5106167061. The cubic root of 30752688 is about 313.3004562859.
The spelling of 30752688 in words is "thirty million, seven hundred fifty-two thousand, six hundred eighty-eight".
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