Base | Representation |
---|---|
bin | 111010011111… |
… | …0011110100100 |
3 | 2010200220221101 |
4 | 1310332132210 |
5 | 30322231422 |
6 | 3013125444 |
7 | 521434126 |
oct | 164763644 |
9 | 63626841 |
10 | 30664612 |
11 | 16344860 |
12 | a329884 |
13 | 6478654 |
14 | 4103216 |
15 | 2a5ac27 |
hex | 1d3e7a4 |
30664612 has 48 divisors (see below), whose sum is σ = 61794432. Its totient is φ = 13178880.
The previous prime is 30664609. The next prime is 30664637. The reversal of 30664612 is 21646603.
It is a super-2 number, since 2×306646122 = 1880636858221088, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158788 + ... + 158980.
It is an arithmetic number, because the mean of its divisors is an integer number (1287384).
Almost surely, 230664612 is an apocalyptic number.
It is an amenable number.
30664612 is an abundant number, since it is smaller than the sum of its proper divisors (31129820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30664612 is a wasteful number, since it uses less digits than its factorization.
30664612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 388 (or 386 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 28.
The square root of 30664612 is about 5537.5637242383. The cubic root of 30664612 is about 313.0010717639.
Subtracting from 30664612 its reverse (21646603), we obtain a square (9018009 = 30032).
The spelling of 30664612 in words is "thirty million, six hundred sixty-four thousand, six hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •