Base | Representation |
---|---|
bin | 111001100110… |
… | …1010110011111 |
3 | 2002211101022201 |
4 | 1303031112133 |
5 | 30212414442 |
6 | 2555152331 |
7 | 514464166 |
oct | 163152637 |
9 | 62741281 |
10 | 30201247 |
11 | 1605870a |
12 | a1456a7 |
13 | 634577b |
14 | 40223dd |
15 | 29b87b7 |
hex | 1ccd59f |
30201247 has 2 divisors, whose sum is σ = 30201248. Its totient is φ = 30201246.
The previous prime is 30201233. The next prime is 30201251. The reversal of 30201247 is 74210203.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30201247 - 223 = 21812639 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30201217) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15100623 + 15100624.
It is an arithmetic number, because the mean of its divisors is an integer number (15100624).
Almost surely, 230201247 is an apocalyptic number.
30201247 is a deficient number, since it is larger than the sum of its proper divisors (1).
30201247 is an equidigital number, since it uses as much as digits as its factorization.
30201247 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 336, while the sum is 19.
The square root of 30201247 is about 5495.5661218841. The cubic root of 30201247 is about 311.4165040855.
The spelling of 30201247 in words is "thirty million, two hundred one thousand, two hundred forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •