Base | Representation |
---|---|
bin | 111001110001… |
… | …1010101000100 |
3 | 2002222221210211 |
4 | 1303203111010 |
5 | 30223310033 |
6 | 3001125204 |
7 | 515320510 |
oct | 163432504 |
9 | 62887724 |
10 | 30291268 |
11 | 1610a307 |
12 | a189804 |
13 | 6377737 |
14 | 4047140 |
15 | 29d52cd |
hex | 1ce3544 |
30291268 has 24 divisors (see below), whose sum is σ = 60963392. Its totient is φ = 12900384.
The previous prime is 30291241. The next prime is 30291269. The reversal of 30291268 is 86219203.
It is not an unprimeable number, because it can be changed into a prime (30291269) 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, 1246 + ... + 7882.
Almost surely, 230291268 is an apocalyptic number.
It is an amenable number.
30291268 is an abundant number, since it is smaller than the sum of its proper divisors (30672124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30291268 is a wasteful number, since it uses less digits than its factorization.
30291268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6811 (or 6809 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 30291268 is about 5503.7503577106. The cubic root of 30291268 is about 311.7256107197.
The spelling of 30291268 in words is "thirty million, two hundred ninety-one thousand, two hundred sixty-eight".
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