Base | Representation |
---|---|
bin | 111001110010… |
… | …1000010110100 |
3 | 2010000022102222 |
4 | 1303211002310 |
5 | 30224021132 |
6 | 3001221512 |
7 | 515350133 |
oct | 163450264 |
9 | 63008388 |
10 | 30298292 |
11 | 16114612 |
12 | a191898 |
13 | 637a9ab |
14 | 404991a |
15 | 29d7412 |
hex | 1ce50b4 |
30298292 has 12 divisors (see below), whose sum is σ = 53091780. Its totient is φ = 15129216.
The previous prime is 30298259. The next prime is 30298297. The reversal of 30298292 is 29289203.
It can be written as a sum of positive squares in 2 ways, for example, as 6522916 + 23775376 = 2554^2 + 4876^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30298297) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253 + ... + 7884.
It is an arithmetic number, because the mean of its divisors is an integer number (4424315).
Almost surely, 230298292 is an apocalyptic number.
It is an amenable number.
30298292 is a deficient number, since it is larger than the sum of its proper divisors (22793488).
30298292 is a wasteful number, since it uses less digits than its factorization.
30298292 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9970 (or 9968 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 35.
The square root of 30298292 is about 5504.3884310612. The cubic root of 30298292 is about 311.7497033776.
The spelling of 30298292 in words is "thirty million, two hundred ninety-eight thousand, two hundred ninety-two".
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