Base | Representation |
---|---|
bin | 111001100010… |
… | …0010010110101 |
3 | 2002202111102201 |
4 | 1303010102311 |
5 | 30210223044 |
6 | 2554304501 |
7 | 514251061 |
oct | 163042265 |
9 | 62674381 |
10 | 30164149 |
11 | 16032854 |
12 | a128131 |
13 | 6331912 |
14 | 4012aa1 |
15 | 29ac7d4 |
hex | 1cc44b5 |
30164149 has 2 divisors, whose sum is σ = 30164150. Its totient is φ = 30164148.
The previous prime is 30164143. The next prime is 30164161. The reversal of 30164149 is 94146103.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 27636049 + 2528100 = 5257^2 + 1590^2 .
It is a cyclic number.
It is not a de Polignac number, because 30164149 - 25 = 30164117 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30164143) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15082074 + 15082075.
It is an arithmetic number, because the mean of its divisors is an integer number (15082075).
Almost surely, 230164149 is an apocalyptic number.
It is an amenable number.
30164149 is a deficient number, since it is larger than the sum of its proper divisors (1).
30164149 is an equidigital number, since it uses as much as digits as its factorization.
30164149 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 30164149 is about 5492.1898182783. The cubic root of 30164149 is about 311.2889413275.
The spelling of 30164149 in words is "thirty million, one hundred sixty-four thousand, one hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •