Base | Representation |
---|---|
bin | 111001111111… |
… | …0101000101001 |
3 | 2010012122020020 |
4 | 1303332220221 |
5 | 30240344423 |
6 | 3003351053 |
7 | 516264546 |
oct | 163765051 |
9 | 63178206 |
10 | 30403113 |
11 | 16186344 |
12 | a222489 |
13 | 63b6610 |
14 | 4075bcd |
15 | 2a084e3 |
hex | 1cfea29 |
30403113 has 32 divisors (see below), whose sum is σ = 45252480. Its totient is φ = 18040320.
The previous prime is 30403111. The next prime is 30403117. The reversal of 30403113 is 31130403.
It is not a de Polignac number, because 30403113 - 21 = 30403111 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30403092 and 30403101.
It is not an unprimeable number, because it can be changed into a prime (30403111) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167883 + ... + 168063.
It is an arithmetic number, because the mean of its divisors is an integer number (1414140).
Almost surely, 230403113 is an apocalyptic number.
It is an amenable number.
30403113 is a deficient number, since it is larger than the sum of its proper divisors (14849367).
30403113 is a wasteful number, since it uses less digits than its factorization.
30403113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 329.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 30403113 is about 5513.9017945553. The cubic root of 30403113 is about 312.1088028650.
Adding to 30403113 its reverse (31130403), we get a palindrome (61533516).
The spelling of 30403113 in words is "thirty million, four hundred three thousand, one hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •