Base | Representation |
---|---|
bin | 111001101010… |
… | …1011010110000 |
3 | 2002220001122110 |
4 | 1303111122300 |
5 | 30214444123 |
6 | 3000005320 |
7 | 514662420 |
oct | 163253260 |
9 | 62801573 |
10 | 30234288 |
11 | 16080517 |
12 | a160840 |
13 | 6357816 |
14 | 4030480 |
15 | 29c3493 |
hex | 1cd56b0 |
30234288 has 40 divisors (see below), whose sum is σ = 89264128. Its totient is φ = 8638272.
The previous prime is 30234287. The next prime is 30234299. The reversal of 30234288 is 88243203.
It is a super-2 number, since 2×302342882 = 1828224341733888, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30234283) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44656 + ... + 45327.
Almost surely, 230234288 is an apocalyptic number.
It is an amenable number.
30234288 is an abundant number, since it is smaller than the sum of its proper divisors (59029840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30234288 is a wasteful number, since it uses less digits than its factorization.
30234288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90001 (or 89995 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 30.
The square root of 30234288 is about 5498.5714508407. The cubic root of 30234288 is about 311.5300287870.
The spelling of 30234288 in words is "thirty million, two hundred thirty-four thousand, two hundred eighty-eight".
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