Base | Representation |
---|---|
bin | 110110110111… |
… | …001101000110 |
3 | 1000001200020202 |
4 | 312313031012 |
5 | 12140210034 |
6 | 1232130502 |
7 | 233146502 |
oct | 66671506 |
9 | 30050222 |
10 | 14381894 |
11 | 813336a |
12 | 4996a32 |
13 | 2c971c7 |
14 | 1ca5302 |
15 | 13e147e |
hex | db7346 |
14381894 has 4 divisors (see below), whose sum is σ = 21572844. Its totient is φ = 7190946.
The previous prime is 14381893. The next prime is 14381897. The reversal of 14381894 is 49818341.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49818341 = 109 ⋅457049.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14381891) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3595472 + ... + 3595475.
It is an arithmetic number, because the mean of its divisors is an integer number (5393211).
Almost surely, 214381894 is an apocalyptic number.
14381894 is a deficient number, since it is larger than the sum of its proper divisors (7190950).
14381894 is an equidigital number, since it uses as much as digits as its factorization.
14381894 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7190949.
The product of its digits is 27648, while the sum is 38.
The square root of 14381894 is about 3792.3467668450. The cubic root of 14381894 is about 243.1860700665.
The spelling of 14381894 in words is "fourteen million, three hundred eighty-one thousand, eight hundred ninety-four".
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