Base | Representation |
---|---|
bin | 111010111001… |
… | …1001001001100 |
3 | 2011002212212000 |
4 | 1311303021030 |
5 | 30401132312 |
6 | 3021512300 |
7 | 523323060 |
oct | 165631114 |
9 | 64085760 |
10 | 30880332 |
11 | 1648193a |
12 | a412690 |
13 | 65228b2 |
14 | 415baa0 |
15 | 2a9eadc |
hex | 1d7324c |
30880332 has 48 divisors (see below), whose sum is σ = 91499520. Its totient is φ = 8822736.
The previous prime is 30880319. The next prime is 30880337. The reversal of 30880332 is 23308803.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 30880296 and 30880305.
It is not an unprimeable number, because it can be changed into a prime (30880337) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19668 + ... + 21179.
It is an arithmetic number, because the mean of its divisors is an integer number (1906240).
Almost surely, 230880332 is an apocalyptic number.
It is an amenable number.
30880332 is an abundant number, since it is smaller than the sum of its proper divisors (60619188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30880332 is a wasteful number, since it uses less digits than its factorization.
30880332 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40867 (or 40859 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 30880332 is about 5557.0074680533. The cubic root of 30880332 is about 313.7333259923.
The spelling of 30880332 in words is "thirty million, eight hundred eighty thousand, three hundred thirty-two".
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