Base | Representation |
---|---|
bin | 111010100100… |
… | …1110010000001 |
3 | 2010210021110020 |
4 | 1311021302001 |
5 | 30330222123 |
6 | 3014124053 |
7 | 522016122 |
oct | 165116201 |
9 | 63707406 |
10 | 30710913 |
11 | 16376622 |
12 | a350629 |
13 | 649374c |
14 | 4116049 |
15 | 2a697e3 |
hex | 1d49c81 |
30710913 has 16 divisors (see below), whose sum is σ = 42880320. Its totient is φ = 19525184.
The previous prime is 30710909. The next prime is 30710917. The reversal of 30710913 is 31901703.
It is an interprime number because it is at equal distance from previous prime (30710909) and next prime (30710917).
It is a cyclic number.
It is not a de Polignac number, because 30710913 - 22 = 30710909 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30710917) 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 15 ways as a sum of consecutive naturals, for example, 5095 + ... + 9347.
It is an arithmetic number, because the mean of its divisors is an integer number (2680020).
Almost surely, 230710913 is an apocalyptic number.
It is an amenable number.
30710913 is a deficient number, since it is larger than the sum of its proper divisors (12169407).
30710913 is a wasteful number, since it uses less digits than its factorization.
30710913 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4368.
The product of its (nonzero) digits is 567, while the sum is 24.
The square root of 30710913 is about 5541.7427764197. The cubic root of 30710913 is about 313.1585276907.
The spelling of 30710913 in words is "thirty million, seven hundred ten thousand, nine hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •