Base | Representation |
---|---|
bin | 111001111001… |
… | …0111100100000 |
3 | 2010010012112212 |
4 | 1303302330200 |
5 | 30232331412 |
6 | 3002341252 |
7 | 516005135 |
oct | 163627440 |
9 | 63105485 |
10 | 30355232 |
11 | 16153376 |
12 | a1ba828 |
13 | 639a89b |
14 | 406258c |
15 | 29e9222 |
hex | 1cf2f20 |
30355232 has 24 divisors (see below), whose sum is σ = 61036416. Its totient is φ = 14853952.
The previous prime is 30355223. The next prime is 30355249. The reversal of 30355232 is 23255303.
It is a junction number, because it is equal to n+sod(n) for n = 30355198 and 30355207.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 8588 + ... + 11595.
It is an arithmetic number, because the mean of its divisors is an integer number (2543184).
Almost surely, 230355232 is an apocalyptic number.
30355232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30355232 is an abundant number, since it is smaller than the sum of its proper divisors (30681184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30355232 is a wasteful number, since it uses less digits than its factorization.
30355232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20240 (or 20232 counting only the distinct ones).
The product of its (nonzero) digits is 2700, while the sum is 23.
The square root of 30355232 is about 5509.5582400044. The cubic root of 30355232 is about 311.9448730128.
The spelling of 30355232 in words is "thirty million, three hundred fifty-five thousand, two hundred thirty-two".
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