Base | Representation |
---|---|
bin | 111001101110… |
… | …1000111111010 |
3 | 2002221122221102 |
4 | 1303131013322 |
5 | 30222001400 |
6 | 3000411402 |
7 | 515153426 |
oct | 163350772 |
9 | 62848842 |
10 | 30265850 |
11 | 160a21aa |
12 | a176b62 |
13 | 6368cb4 |
14 | 403bb86 |
15 | 29cc9d5 |
hex | 1cdd1fa |
30265850 has 24 divisors (see below), whose sum is σ = 58238460. Its totient is φ = 11688320.
The previous prime is 30265849. The next prime is 30265853. The reversal of 30265850 is 5856203.
It can be written as a sum of positive squares in 6 ways, for example, as 8708401 + 21557449 = 2951^2 + 4643^2 .
It is a Harshad number since it is a multiple of its sum of digits (29).
It is not an unprimeable number, because it can be changed into a prime (30265853) 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, 8987 + ... + 11886.
Almost surely, 230265850 is an apocalyptic number.
30265850 is a deficient number, since it is larger than the sum of its proper divisors (27972610).
30265850 is a wasteful number, since it uses less digits than its factorization.
30265850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20914 (or 20909 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 29.
The square root of 30265850 is about 5501.4407203932. The cubic root of 30265850 is about 311.6383946190.
The spelling of 30265850 in words is "thirty million, two hundred sixty-five thousand, eight hundred fifty".
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