Base | Representation |
---|---|
bin | 111001101011… |
… | …1010000100001 |
3 | 2002220102222121 |
4 | 1303113100201 |
5 | 30220214300 |
6 | 3000104241 |
7 | 515023405 |
oct | 163272041 |
9 | 62812877 |
10 | 30241825 |
11 | 16086149 |
12 | a165081 |
13 | 635b093 |
14 | 4033105 |
15 | 29c581a |
hex | 1cd7421 |
30241825 has 12 divisors (see below), whose sum is σ = 39474160. Its totient is φ = 22919760.
The previous prime is 30241819. The next prime is 30241829. The reversal of 30241825 is 52814203.
It is not a de Polignac number, because 30241825 - 23 = 30241817 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a self number, because there is not a number n which added to its sum of digits gives 30241825.
It is not an unprimeable number, because it can be changed into a prime (30241829) 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, 31359 + ... + 32308.
Almost surely, 230241825 is an apocalyptic number.
It is an amenable number.
30241825 is a deficient number, since it is larger than the sum of its proper divisors (9232335).
30241825 is a wasteful number, since it uses less digits than its factorization.
30241825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63696 (or 63691 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 30241825 is about 5499.2567679642. The cubic root of 30241825 is about 311.5559133803. Note that the first 3 decimals are identical.
The spelling of 30241825 in words is "thirty million, two hundred forty-one thousand, eight hundred twenty-five".
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