Base | Representation |
---|---|
bin | 111001100110… |
… | …1001111100001 |
3 | 2002211100201012 |
4 | 1303031033201 |
5 | 30212411201 |
6 | 2555150305 |
7 | 514462661 |
oct | 163151741 |
9 | 62740635 |
10 | 30200801 |
11 | 16058344 |
12 | a145395 |
13 | 63454c7 |
14 | 40221a1 |
15 | 29b85bb |
hex | 1ccd3e1 |
30200801 has 2 divisors, whose sum is σ = 30200802. Its totient is φ = 30200800.
The previous prime is 30200767. The next prime is 30200809. The reversal of 30200801 is 10800203.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 30195025 + 5776 = 5495^2 + 76^2 .
It is an emirp because it is prime and its reverse (10800203) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30200801 - 210 = 30199777 is a prime.
It is not a weakly prime, because it can be changed into another prime (30200809) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15100400 + 15100401.
It is an arithmetic number, because the mean of its divisors is an integer number (15100401).
Almost surely, 230200801 is an apocalyptic number.
It is an amenable number.
30200801 is a deficient number, since it is larger than the sum of its proper divisors (1).
30200801 is an equidigital number, since it uses as much as digits as its factorization.
30200801 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 30200801 is about 5495.5255435672. The cubic root of 30200801 is about 311.4149711196.
The spelling of 30200801 in words is "thirty million, two hundred thousand, eight hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •