Base | Representation |
---|---|
bin | 111010011100… |
… | …0110010000011 |
3 | 2010122201221100 |
4 | 1310320302003 |
5 | 30321010113 |
6 | 3012425443 |
7 | 521306121 |
oct | 164706203 |
9 | 63581840 |
10 | 30641283 |
11 | 16329282 |
12 | a318283 |
13 | 646ab4a |
14 | 40d8911 |
15 | 2a53d73 |
hex | 1d38c83 |
30641283 has 12 divisors (see below), whose sum is σ = 44584488. Its totient is φ = 20277600.
The previous prime is 30641263. The next prime is 30641297. The reversal of 30641283 is 38214603.
It is a happy number.
It is not a de Polignac number, because 30641283 - 213 = 30633091 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30641203) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11193 + ... + 13658.
It is an arithmetic number, because the mean of its divisors is an integer number (3715374).
Almost surely, 230641283 is an apocalyptic number.
30641283 is a deficient number, since it is larger than the sum of its proper divisors (13943205).
30641283 is a wasteful number, since it uses less digits than its factorization.
30641283 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24994 (or 24991 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 30641283 is about 5535.4568917118. The cubic root of 30641283 is about 312.9216767214.
Adding to 30641283 its reverse (38214603), we get a palindrome (68855886).
The spelling of 30641283 in words is "thirty million, six hundred forty-one thousand, two hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •