Base | Representation |
---|---|
bin | 111010110000… |
… | …1010101110100 |
3 | 2010222011211021 |
4 | 1311201111310 |
5 | 30341314122 |
6 | 3020150524 |
7 | 522600346 |
oct | 165412564 |
9 | 63864737 |
10 | 30807412 |
11 | 16432079 |
12 | a398444 |
13 | 64c864c |
14 | 413d296 |
15 | 2a881c7 |
hex | 1d61574 |
30807412 has 6 divisors (see below), whose sum is σ = 53912978. Its totient is φ = 15403704.
The previous prime is 30807409. The next prime is 30807431. The reversal of 30807412 is 21470803.
It can be written as a sum of positive squares in only one way, i.e., 29986576 + 820836 = 5476^2 + 906^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3850923 + ... + 3850930.
Almost surely, 230807412 is an apocalyptic number.
It is an amenable number.
30807412 is a deficient number, since it is larger than the sum of its proper divisors (23105566).
30807412 is a wasteful number, since it uses less digits than its factorization.
30807412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7701857 (or 7701855 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 25.
The square root of 30807412 is about 5550.4425048819. The cubic root of 30807412 is about 313.4861841634.
The spelling of 30807412 in words is "thirty million, eight hundred seven thousand, four hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •