Base | Representation |
---|---|
bin | 111001110001… |
… | …1001110101100 |
3 | 2002222221020201 |
4 | 1303203032230 |
5 | 30223301420 |
6 | 3001123244 |
7 | 515316355 |
oct | 163431654 |
9 | 62887221 |
10 | 30290860 |
11 | 16109a76 |
12 | a189524 |
13 | 63774b2 |
14 | 4046d2c |
15 | 29d510a |
hex | 1ce33ac |
30290860 has 24 divisors (see below), whose sum is σ = 63887040. Its totient is φ = 12063744.
The previous prime is 30290851. The next prime is 30290863. The reversal of 30290860 is 6809203.
It is not an unprimeable number, because it can be changed into a prime (30290863) 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, 1612 + ... + 7948.
It is an arithmetic number, because the mean of its divisors is an integer number (2661960).
Almost surely, 230290860 is an apocalyptic number.
It is an amenable number.
30290860 is an abundant number, since it is smaller than the sum of its proper divisors (33596180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30290860 is a wasteful number, since it uses less digits than its factorization.
30290860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6585 (or 6583 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 30290860 is about 5503.7132919512. The cubic root of 30290860 is about 311.7242111457.
The spelling of 30290860 in words is "thirty million, two hundred ninety thousand, eight hundred sixty".
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