Base | Representation |
---|---|
bin | 111010011011… |
… | …0000111101001 |
3 | 2010122011222102 |
4 | 1310312013221 |
5 | 30320133002 |
6 | 3012303145 |
7 | 521232251 |
oct | 164660751 |
9 | 63564872 |
10 | 30630377 |
11 | 16321068 |
12 | a311ab5 |
13 | 6465bab |
14 | 40d4961 |
15 | 2a50a02 |
hex | 1d361e9 |
30630377 has 8 divisors (see below), whose sum is σ = 31000200. Its totient is φ = 30263040.
The previous prime is 30630361. The next prime is 30630389. The reversal of 30630377 is 77303603.
It can be written as a sum of positive squares in 4 ways, for example, as 38416 + 30591961 = 196^2 + 5531^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30630377 - 24 = 30630361 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30630307) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35483 + ... + 36335.
It is an arithmetic number, because the mean of its divisors is an integer number (3875025).
Almost surely, 230630377 is an apocalyptic number.
It is an amenable number.
30630377 is a deficient number, since it is larger than the sum of its proper divisors (369823).
30630377 is a wasteful number, since it uses less digits than its factorization.
30630377 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1243.
The product of its (nonzero) digits is 7938, while the sum is 29.
The square root of 30630377 is about 5534.4717001716. The cubic root of 30630377 is about 312.8845467620.
The spelling of 30630377 in words is "thirty million, six hundred thirty thousand, three hundred seventy-seven".
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