Base | Representation |
---|---|
bin | 111010100000… |
… | …1011011110101 |
3 | 2010201112120000 |
4 | 1311001123311 |
5 | 30323123400 |
6 | 3013301513 |
7 | 521514342 |
oct | 165013365 |
9 | 63645500 |
10 | 30676725 |
11 | 16352972 |
12 | a334899 |
13 | 6481011 |
14 | 41077c9 |
15 | 2a5e600 |
hex | 1d416f5 |
30676725 has 30 divisors (see below), whose sum is σ = 56827650. Its totient is φ = 16359840.
The previous prime is 30676703. The next prime is 30676739. The reversal of 30676725 is 52767603.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 3709476 + 26967249 = 1926^2 + 5193^2 .
It is not a de Polignac number, because 30676725 - 26 = 30676661 is a prime.
It is a super-2 number, since 2×306767252 = 1882122913451250, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30676725.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5550 + ... + 9599.
It is an arithmetic number, because the mean of its divisors is an integer number (1894255).
Almost surely, 230676725 is an apocalyptic number.
It is an amenable number.
30676725 is a deficient number, since it is larger than the sum of its proper divisors (26150925).
30676725 is a wasteful number, since it uses less digits than its factorization.
30676725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15171 (or 15157 counting only the distinct ones).
The product of its (nonzero) digits is 52920, while the sum is 36.
The square root of 30676725 is about 5538.6573282701. The cubic root of 30676725 is about 313.0422797735.
The spelling of 30676725 in words is "thirty million, six hundred seventy-six thousand, seven hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.340 sec. • engine limits •