Base | Representation |
---|---|
bin | 111000111000… |
… | …000111011001 |
3 | 1001001111120000 |
4 | 320320013121 |
5 | 12304104123 |
6 | 1251323213 |
7 | 240506064 |
oct | 70700731 |
9 | 31044500 |
10 | 14909913 |
11 | 8464047 |
12 | 4bb0509 |
13 | 3120645 |
14 | 1da18db |
15 | 1497b43 |
hex | e381d9 |
14909913 has 10 divisors (see below), whose sum is σ = 22272954. Its totient is φ = 9939888.
The previous prime is 14909897. The next prime is 14909941. The reversal of 14909913 is 31990941.
14909913 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 11269449 + 3640464 = 3357^2 + 1908^2 .
It is not a de Polignac number, because 14909913 - 24 = 14909897 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14909413) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 91956 + ... + 92117.
Almost surely, 214909913 is an apocalyptic number.
It is an amenable number.
14909913 is a deficient number, since it is larger than the sum of its proper divisors (7363041).
14909913 is an equidigital number, since it uses as much as digits as its factorization.
14909913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 184085 (or 184076 counting only the distinct ones).
The product of its (nonzero) digits is 8748, while the sum is 36.
The square root of 14909913 is about 3861.3356497461. The cubic root of 14909913 is about 246.1264965131.
The spelling of 14909913 in words is "fourteen million, nine hundred nine thousand, nine hundred thirteen".
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