Base | Representation |
---|---|
bin | 111001111011… |
… | …1001100000000 |
3 | 2010011002101102 |
4 | 1303313030000 |
5 | 30233410413 |
6 | 3002553532 |
7 | 516106610 |
oct | 163671400 |
9 | 63132342 |
10 | 30372608 |
11 | 16165432 |
12 | a2088a8 |
13 | 63a5776 |
14 | 4068a40 |
15 | 29ee458 |
hex | 1cf7300 |
30372608 has 72 divisors (see below), whose sum is σ = 73436832. Its totient is φ = 12238848.
The previous prime is 30372509. The next prime is 30372631. The reversal of 30372608 is 80627303.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29966 + ... + 30962.
It is an arithmetic number, because the mean of its divisors is an integer number (1019956).
Almost surely, 230372608 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30372608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36718416).
30372608 is an abundant number, since it is smaller than the sum of its proper divisors (43064224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30372608 is an equidigital number, since it uses as much as digits as its factorization.
30372608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1037 (or 1023 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 29.
The square root of 30372608 is about 5511.1349103429. The cubic root of 30372608 is about 312.0043830197.
The spelling of 30372608 in words is "thirty million, three hundred seventy-two thousand, six hundred eight".
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