Base | Representation |
---|---|
bin | 111001010110… |
… | …0000011011100 |
3 | 2002120110020100 |
4 | 1302230003130 |
5 | 30144033420 |
6 | 2552221100 |
7 | 513355440 |
oct | 162540334 |
9 | 62513210 |
10 | 30064860 |
11 | 15a751a1 |
12 | a09a790 |
13 | 62c8677 |
14 | 3dc8820 |
15 | 298d190 |
hex | 1cac0dc |
30064860 has 144 divisors (see below), whose sum is σ = 105670656. Its totient is φ = 6777216.
The previous prime is 30064799. The next prime is 30064871. The reversal of 30064860 is 6846003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134709 + ... + 134931.
It is an arithmetic number, because the mean of its divisors is an integer number (733824).
Almost surely, 230064860 is an apocalyptic number.
30064860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30064860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52835328).
30064860 is an abundant number, since it is smaller than the sum of its proper divisors (75605796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30064860 is a wasteful number, since it uses less digits than its factorization.
30064860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 352 (or 347 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 30064860 is about 5483.1432591170. The cubic root of 30064860 is about 310.9470173008.
The spelling of 30064860 in words is "thirty million, sixty-four thousand, eight hundred sixty".
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