Base | Representation |
---|---|
bin | 111001011001… |
… | …1000101001001 |
3 | 2002121220201022 |
4 | 1302303011021 |
5 | 30200444031 |
6 | 2553002225 |
7 | 513535364 |
oct | 162630511 |
9 | 62556638 |
10 | 30093641 |
11 | 15a94886 |
12 | a0b3375 |
13 | 63087b6 |
14 | 3dd50db |
15 | 299697b |
hex | 1cb3149 |
30093641 has 2 divisors, whose sum is σ = 30093642. Its totient is φ = 30093640.
The previous prime is 30093589. The next prime is 30093647. The reversal of 30093641 is 14639003.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 22231225 + 7862416 = 4715^2 + 2804^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30093641 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30093641.
It is not a weakly prime, because it can be changed into another prime (30093647) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15046820 + 15046821.
It is an arithmetic number, because the mean of its divisors is an integer number (15046821).
Almost surely, 230093641 is an apocalyptic number.
It is an amenable number.
30093641 is a deficient number, since it is larger than the sum of its proper divisors (1).
30093641 is an equidigital number, since it uses as much as digits as its factorization.
30093641 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1944, while the sum is 26.
The square root of 30093641 is about 5485.7671295818. The cubic root of 30093641 is about 311.0462085370.
The spelling of 30093641 in words is "thirty million, ninety-three thousand, six hundred forty-one".
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