Base | Representation |
---|---|
bin | 111001111001… |
… | …1000111111000 |
3 | 2010010020112211 |
4 | 1303303013320 |
5 | 30232342320 |
6 | 3002344504 |
7 | 516010225 |
oct | 163630770 |
9 | 63106484 |
10 | 30355960 |
11 | 16153978 |
12 | a1bb134 |
13 | 639b00b |
14 | 406294c |
15 | 29e955a |
hex | 1cf31f8 |
30355960 has 16 divisors (see below), whose sum is σ = 68301000. Its totient is φ = 12142368.
The previous prime is 30355957. The next prime is 30355961. The reversal of 30355960 is 6955303.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30355961) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379410 + ... + 379489.
Almost surely, 230355960 is an apocalyptic number.
It is an amenable number.
30355960 is an abundant number, since it is smaller than the sum of its proper divisors (37945040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30355960 is a wasteful number, since it uses less digits than its factorization.
30355960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 758910 (or 758906 counting only the distinct ones).
The product of its (nonzero) digits is 12150, while the sum is 31.
The square root of 30355960 is about 5509.6243066111. The cubic root of 30355960 is about 311.9473667515.
The spelling of 30355960 in words is "thirty million, three hundred fifty-five thousand, nine hundred sixty".
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