Base | Representation |
---|---|
bin | 110110001111… |
… | …001101101010 |
3 | 222202100112221 |
4 | 312033031222 |
5 | 12114434330 |
6 | 1224424254 |
7 | 231565105 |
oct | 66171552 |
9 | 28670487 |
10 | 14218090 |
11 | 8031297 |
12 | 491808a |
13 | 2c3a793 |
14 | 1c6173c |
15 | 13acb7a |
hex | d8f36a |
14218090 has 16 divisors (see below), whose sum is σ = 25651080. Its totient is φ = 5674240.
The previous prime is 14218051. The next prime is 14218097. The reversal of 14218090 is 9081241.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 13155129 + 1062961 = 3627^2 + 1031^2 .
It is not an unprimeable number, because it can be changed into a prime (14218097) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3846 + ... + 6574.
Almost surely, 214218090 is an apocalyptic number.
14218090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
14218090 is a deficient number, since it is larger than the sum of its proper divisors (11432990).
14218090 is a wasteful number, since it uses less digits than its factorization.
14218090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3257.
The product of its (nonzero) digits is 576, while the sum is 25.
The square root of 14218090 is about 3770.6882660862. The cubic root of 14218090 is about 242.2592786065.
The spelling of 14218090 in words is "fourteen million, two hundred eighteen thousand, ninety".
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