Base | Representation |
---|---|
bin | 111010010101… |
… | …1000000100110 |
3 | 2010112212112222 |
4 | 1310223000212 |
5 | 30312203440 |
6 | 3011312342 |
7 | 520652501 |
oct | 164530046 |
9 | 63485488 |
10 | 30584870 |
11 | 1629a958 |
12 | a2ab6b2 |
13 | 644b274 |
14 | 40c2138 |
15 | 2a422b5 |
hex | 1d2b026 |
30584870 has 48 divisors (see below), whose sum is σ = 61670160. Its totient is φ = 10888704.
The previous prime is 30584867. The next prime is 30584959. The reversal of 30584870 is 7848503.
It is a self number, because there is not a number n which added to its sum of digits gives 30584870.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54632 + ... + 55188.
It is an arithmetic number, because the mean of its divisors is an integer number (1284795).
Almost surely, 230584870 is an apocalyptic number.
30584870 is an abundant number, since it is smaller than the sum of its proper divisors (31085290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30584870 is a wasteful number, since it uses less digits than its factorization.
30584870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 617 (or 600 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 35.
The square root of 30584870 is about 5530.3589395264. The cubic root of 30584870 is about 312.7295209831.
The spelling of 30584870 in words is "thirty million, five hundred eighty-four thousand, eight hundred seventy".
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