Base | Representation |
---|---|
bin | 111010110001… |
… | …0110001101111 |
3 | 2010222110220011 |
4 | 1311202301233 |
5 | 30342011140 |
6 | 3020234051 |
7 | 522623452 |
oct | 165426157 |
9 | 63873804 |
10 | 30813295 |
11 | 16436537 |
12 | a39b927 |
13 | 64cb226 |
14 | 4141499 |
15 | 2a89cea |
hex | 1d62c6f |
30813295 has 4 divisors (see below), whose sum is σ = 36975960. Its totient is φ = 24650632.
The previous prime is 30813271. The next prime is 30813301. The reversal of 30813295 is 59231803.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30813295 - 29 = 30812783 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3081325 + ... + 3081334.
It is an arithmetic number, because the mean of its divisors is an integer number (9243990).
Almost surely, 230813295 is an apocalyptic number.
30813295 is a deficient number, since it is larger than the sum of its proper divisors (6162665).
30813295 is an equidigital number, since it uses as much as digits as its factorization.
30813295 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6162664.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 30813295 is about 5550.9724373302. The cubic root of 30813295 is about 313.5061373903.
The spelling of 30813295 in words is "thirty million, eight hundred thirteen thousand, two hundred ninety-five".
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