Base | Representation |
---|---|
bin | 111001110101… |
… | …0001010100001 |
3 | 2010001101012202 |
4 | 1303222022201 |
5 | 30230204030 |
6 | 3001502545 |
7 | 515465234 |
oct | 163521241 |
9 | 63041182 |
10 | 30319265 |
11 | 16129349 |
12 | a1a1a55 |
13 | 63873c2 |
14 | 405341b |
15 | 29dd745 |
hex | 1cea2a1 |
30319265 has 8 divisors (see below), whose sum is σ = 36628200. Its totient is φ = 24092032.
The previous prime is 30319253. The next prime is 30319321. The reversal of 30319265 is 56291303.
It can be written as a sum of positive squares in 4 ways, for example, as 1760929 + 28558336 = 1327^2 + 5344^2 .
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 30319265 - 24 = 30319249 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19604 + ... + 21093.
It is an arithmetic number, because the mean of its divisors is an integer number (4578525).
Almost surely, 230319265 is an apocalyptic number.
It is an amenable number.
30319265 is a deficient number, since it is larger than the sum of its proper divisors (6308935).
30319265 is a wasteful number, since it uses less digits than its factorization.
30319265 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40851.
The product of its (nonzero) digits is 4860, while the sum is 29.
The square root of 30319265 is about 5506.2932177646. The cubic root of 30319265 is about 311.8216196258.
The spelling of 30319265 in words is "thirty million, three hundred nineteen thousand, two hundred sixty-five".
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