Base | Representation |
---|---|
bin | 111001110111… |
… | …1110010010000 |
3 | 2010002112210110 |
4 | 1303233302100 |
5 | 30231423123 |
6 | 3002201320 |
7 | 515622324 |
oct | 163576220 |
9 | 63075713 |
10 | 30342288 |
11 | 16144679 |
12 | a1b3240 |
13 | 6394a22 |
14 | 405b984 |
15 | 29e5493 |
hex | 1cefc90 |
30342288 has 40 divisors (see below), whose sum is σ = 79869888. Its totient is φ = 9922432.
The previous prime is 30342281. The next prime is 30342329. The reversal of 30342288 is 88224303.
It is not an unprimeable number, because it can be changed into a prime (30342281) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3420 + ... + 8507.
Almost surely, 230342288 is an apocalyptic number.
It is an amenable number.
30342288 is an abundant number, since it is smaller than the sum of its proper divisors (49527600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30342288 is a wasteful number, since it uses less digits than its factorization.
30342288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11991 (or 11985 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 30.
The square root of 30342288 is about 5508.3834289200. The cubic root of 30342288 is about 311.9005271320.
The spelling of 30342288 in words is "thirty million, three hundred forty-two thousand, two hundred eighty-eight".
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