Base | Representation |
---|---|
bin | 111001001111… |
… | …0010111100001 |
3 | 2002110121100002 |
4 | 1302132113201 |
5 | 30140240201 |
6 | 2551105345 |
7 | 513033134 |
oct | 162362741 |
9 | 62417302 |
10 | 30008801 |
11 | 15a37069 |
12 | a072255 |
13 | 62a8cb4 |
14 | 3db221b |
15 | 297b76b |
hex | 1c9e5e1 |
30008801 has 2 divisors, whose sum is σ = 30008802. Its totient is φ = 30008800.
The previous prime is 30008773. The next prime is 30008819. The reversal of 30008801 is 10880003.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 27050401 + 2958400 = 5201^2 + 1720^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30008801 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (30008821) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15004400 + 15004401.
It is an arithmetic number, because the mean of its divisors is an integer number (15004401).
Almost surely, 230008801 is an apocalyptic number.
It is an amenable number.
30008801 is a deficient number, since it is larger than the sum of its proper divisors (1).
30008801 is an equidigital number, since it uses as much as digits as its factorization.
30008801 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 192, while the sum is 20.
The square root of 30008801 is about 5478.0289338411. The cubic root of 30008801 is about 310.7536329060.
Adding to 30008801 its reverse (10880003), we get a palindrome (40888804).
The spelling of 30008801 in words is "thirty million, eight thousand, eight hundred one".
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