Base | Representation |
---|---|
bin | 111010011011… |
… | …0000100010101 |
3 | 2010122011200120 |
4 | 1310312010111 |
5 | 30320131130 |
6 | 3012302153 |
7 | 521231526 |
oct | 164660425 |
9 | 63564616 |
10 | 30630165 |
11 | 16320995 |
12 | a311959 |
13 | 6465a77 |
14 | 40d484d |
15 | 2a50910 |
hex | 1d36115 |
30630165 has 16 divisors (see below), whose sum is σ = 49233408. Its totient is φ = 16261056.
The previous prime is 30630161. The next prime is 30630167. The reversal of 30630165 is 56103603.
It is not a de Polignac number, because 30630165 - 22 = 30630161 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30630161) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1234 + ... + 7923.
It is an arithmetic number, because the mean of its divisors is an integer number (3077088).
Almost surely, 230630165 is an apocalyptic number.
It is an amenable number.
30630165 is a deficient number, since it is larger than the sum of its proper divisors (18603243).
30630165 is a wasteful number, since it uses less digits than its factorization.
30630165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9388.
The product of its (nonzero) digits is 1620, while the sum is 24.
The square root of 30630165 is about 5534.4525474522. The cubic root of 30630165 is about 312.8838249113.
Adding to 30630165 its reverse (56103603), we get a palindrome (86733768).
The spelling of 30630165 in words is "thirty million, six hundred thirty thousand, one hundred sixty-five".
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