Base | Representation |
---|---|
bin | 111010110110… |
… | …1111011011000 |
3 | 2011001210112202 |
4 | 1311231323120 |
5 | 30344441333 |
6 | 3021225332 |
7 | 523203560 |
oct | 165557330 |
9 | 64053482 |
10 | 30858968 |
11 | 16467888 |
12 | a402248 |
13 | 6515c5a |
14 | 4153da0 |
15 | 2a985e8 |
hex | 1d6ded8 |
30858968 has 32 divisors (see below), whose sum is σ = 66662400. Its totient is φ = 13118112.
The previous prime is 30858953. The next prime is 30858979. The reversal of 30858968 is 86985803.
It is a congruent number.
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, 4943 + ... + 9281.
It is an arithmetic number, because the mean of its divisors is an integer number (2083200).
Almost surely, 230858968 is an apocalyptic number.
It is an amenable number.
30858968 is an abundant number, since it is smaller than the sum of its proper divisors (35803432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30858968 is a wasteful number, since it uses less digits than its factorization.
30858968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4479 (or 4475 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 47.
The square root of 30858968 is about 5555.0848778394. The cubic root of 30858968 is about 313.6609590559.
The spelling of 30858968 in words is "thirty million, eight hundred fifty-eight thousand, nine hundred sixty-eight".
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