Base | Representation |
---|---|
bin | 110110001111… |
… | …010011111010 |
3 | 222202101002202 |
4 | 312033103322 |
5 | 12114442430 |
6 | 1224430202 |
7 | 231566216 |
oct | 66172372 |
9 | 28671082 |
10 | 14218490 |
11 | 8031620 |
12 | 4918362 |
13 | 2c3aa10 |
14 | 1c61946 |
15 | 13acd45 |
hex | d8f4fa |
14218490 has 64 divisors (see below), whose sum is σ = 30748032. Its totient is φ = 4665600.
The previous prime is 14218453. The next prime is 14218493. The reversal of 14218490 is 9481241.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (14218493) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87149 + ... + 87311.
It is an arithmetic number, because the mean of its divisors is an integer number (480438).
Almost surely, 214218490 is an apocalyptic number.
14218490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
14218490 is an abundant number, since it is smaller than the sum of its proper divisors (16529542).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14218490 is a wasteful number, since it uses less digits than its factorization.
14218490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 255.
The product of its (nonzero) digits is 2304, while the sum is 29.
The square root of 14218490 is about 3770.7413064277. The cubic root of 14218490 is about 242.2615504260.
The spelling of 14218490 in words is "fourteen million, two hundred eighteen thousand, four hundred ninety".
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