Base | Representation |
---|---|
bin | 110110011110… |
… | …110010111001 |
3 | 222212121002202 |
4 | 312132302321 |
5 | 12124010123 |
6 | 1230035545 |
7 | 232252142 |
oct | 66366271 |
9 | 28777082 |
10 | 14281913 |
11 | 8075238 |
12 | 4948bb5 |
13 | 2c60849 |
14 | 1c7aac9 |
15 | 13c1a28 |
hex | d9ecb9 |
14281913 has 2 divisors, whose sum is σ = 14281914. Its totient is φ = 14281912.
The previous prime is 14281907. The next prime is 14281931. The reversal of 14281913 is 31918241.
Together with next prime (14281931) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 11888704 + 2393209 = 3448^2 + 1547^2 .
It is a cyclic number.
It is not a de Polignac number, because 14281913 - 26 = 14281849 is a prime.
It is not a weakly prime, because it can be changed into another prime (14281933) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7140956 + 7140957.
It is an arithmetic number, because the mean of its divisors is an integer number (7140957).
Almost surely, 214281913 is an apocalyptic number.
It is an amenable number.
14281913 is a deficient number, since it is larger than the sum of its proper divisors (1).
14281913 is an equidigital number, since it uses as much as digits as its factorization.
14281913 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1728, while the sum is 29.
The square root of 14281913 is about 3779.1418338030. The cubic root of 14281913 is about 242.6212268079.
The spelling of 14281913 in words is "fourteen million, two hundred eighty-one thousand, nine hundred thirteen".
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