Base | Representation |
---|---|
bin | 111001111010… |
… | …1011001000010 |
3 | 2010010201021220 |
4 | 1303311121002 |
5 | 30233142000 |
6 | 3002455510 |
7 | 516046266 |
oct | 163653102 |
9 | 63121256 |
10 | 30365250 |
11 | 1615a953 |
12 | a204596 |
13 | 63a2306 |
14 | 40660a6 |
15 | 29ec1a0 |
hex | 1cf5642 |
30365250 has 32 divisors (see below), whose sum is σ = 75793536. Its totient is φ = 8097200.
The previous prime is 30365239. The next prime is 30365261. The reversal of 30365250 is 5256303.
It is an interprime number because it is at equal distance from previous prime (30365239) and next prime (30365261).
It is an alternating number because its digits alternate between odd and even.
It is a self number, because there is not a number n which added to its sum of digits gives 30365250.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 19494 + ... + 20993.
It is an arithmetic number, because the mean of its divisors is an integer number (2368548).
Almost surely, 230365250 is an apocalyptic number.
30365250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30365250 is an abundant number, since it is smaller than the sum of its proper divisors (45428286).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30365250 is a wasteful number, since it uses less digits than its factorization.
30365250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40507 (or 40497 counting only the distinct ones).
The product of its (nonzero) digits is 2700, while the sum is 24.
The square root of 30365250 is about 5510.4673123066. The cubic root of 30365250 is about 311.9791858238.
The spelling of 30365250 in words is "thirty million, three hundred sixty-five thousand, two hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •