Base | Representation |
---|---|
bin | 111010001010… |
… | …0011010010100 |
3 | 2010101011120202 |
4 | 1310110122110 |
5 | 30301223213 |
6 | 3005320032 |
7 | 520115600 |
oct | 164243224 |
9 | 63334522 |
10 | 30492308 |
11 | 16237360 |
12 | a266018 |
13 | 64180b2 |
14 | 409a500 |
15 | 2a24b58 |
hex | 1d14694 |
30492308 has 36 divisors (see below), whose sum is σ = 67721472. Its totient is φ = 11879280.
The previous prime is 30492307. The next prime is 30492323. The reversal of 30492308 is 80329403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30492307) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4916 + ... + 9227.
It is an arithmetic number, because the mean of its divisors is an integer number (1881152).
Almost surely, 230492308 is an apocalyptic number.
It is an amenable number.
30492308 is an abundant number, since it is smaller than the sum of its proper divisors (37229164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30492308 is a wasteful number, since it uses less digits than its factorization.
30492308 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14172 (or 14163 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 29.
The square root of 30492308 is about 5521.9840637220. The cubic root of 30492308 is about 312.4137208211.
The spelling of 30492308 in words is "thirty million, four hundred ninety-two thousand, three hundred eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.118 sec. • engine limits •