Base | Representation |
---|---|
bin | 111001100111… |
… | …1000001100101 |
3 | 2002211201201120 |
4 | 1303033001211 |
5 | 30213124401 |
6 | 2555244153 |
7 | 514523160 |
oct | 163170145 |
9 | 62751646 |
10 | 30208101 |
11 | 16062880 |
12 | a149659 |
13 | 6348921 |
14 | 4024ad7 |
15 | 29ba836 |
hex | 1ccf065 |
30208101 has 32 divisors (see below), whose sum is σ = 50512896. Its totient is φ = 15600000.
The previous prime is 30208033. The next prime is 30208117. The reversal of 30208101 is 10180203.
It is a happy number.
It is not a de Polignac number, because 30208101 - 214 = 30191717 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30208121) by changing a digit.
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 in 31 ways as a sum of consecutive naturals, for example, 57721 + ... + 58241.
It is an arithmetic number, because the mean of its divisors is an integer number (1578528).
Almost surely, 230208101 is an apocalyptic number.
It is an amenable number.
30208101 is a deficient number, since it is larger than the sum of its proper divisors (20304795).
30208101 is a wasteful number, since it uses less digits than its factorization.
30208101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 793.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 30208101 is about 5496.1896801330. The cubic root of 30208101 is about 311.4400603675.
Adding to 30208101 its reverse (10180203), we get a palindrome (40388304).
The spelling of 30208101 in words is "thirty million, two hundred eight thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •