Base | Representation |
---|---|
bin | 110101000010… |
… | …001110101001 |
3 | 222011100000002 |
4 | 311002032221 |
5 | 12024342021 |
6 | 1213552345 |
7 | 226112555 |
oct | 65021651 |
9 | 28140002 |
10 | 13902761 |
11 | 7936394 |
12 | 47a56b5 |
13 | 2b5a0b2 |
14 | 1bbc865 |
15 | 134950b |
hex | d423a9 |
13902761 has 2 divisors, whose sum is σ = 13902762. Its totient is φ = 13902760.
The previous prime is 13902689. The next prime is 13902769. The reversal of 13902761 is 16720931.
13902761 is nontrivially palindromic in base 5.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12355225 + 1547536 = 3515^2 + 1244^2 .
It is a cyclic number.
It is not a de Polignac number, because 13902761 - 210 = 13901737 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (13902769) 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, 6951380 + 6951381.
It is an arithmetic number, because the mean of its divisors is an integer number (6951381).
Almost surely, 213902761 is an apocalyptic number.
It is an amenable number.
13902761 is a deficient number, since it is larger than the sum of its proper divisors (1).
13902761 is an equidigital number, since it uses as much as digits as its factorization.
13902761 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2268, while the sum is 29.
The square root of 13902761 is about 3728.6406370151. The cubic root of 13902761 is about 240.4549299407.
The spelling of 13902761 in words is "thirteen million, nine hundred two thousand, seven hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •