Base | Representation |
---|---|
bin | 110011000010… |
… | …101000110101 |
3 | 221011210010002 |
4 | 303002220311 |
5 | 11411131044 |
6 | 1154441045 |
7 | 221505116 |
oct | 63025065 |
9 | 27153102 |
10 | 13380149 |
11 | 7609782 |
12 | 4593185 |
13 | 2a06263 |
14 | 1ac420d |
15 | 129474e |
hex | cc2a35 |
13380149 has 2 divisors, whose sum is σ = 13380150. Its totient is φ = 13380148.
The previous prime is 13380137. The next prime is 13380179. The reversal of 13380149 is 94108331.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7739524 + 5640625 = 2782^2 + 2375^2 .
It is a cyclic number.
It is not a de Polignac number, because 13380149 - 28 = 13379893 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13380119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6690074 + 6690075.
It is an arithmetic number, because the mean of its divisors is an integer number (6690075).
Almost surely, 213380149 is an apocalyptic number.
It is an amenable number.
13380149 is a deficient number, since it is larger than the sum of its proper divisors (1).
13380149 is an equidigital number, since it uses as much as digits as its factorization.
13380149 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 13380149 is about 3657.8885986317. Note that the first 3 decimals coincide. The cubic root of 13380149 is about 237.4034266642.
The spelling of 13380149 in words is "thirteen million, three hundred eighty thousand, one hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •