Base | Representation |
---|---|
bin | 110111111011… |
… | …001001111100 |
3 | 1000120211001010 |
4 | 313323021330 |
5 | 12223111340 |
6 | 1242115220 |
7 | 235416111 |
oct | 67731174 |
9 | 30524033 |
10 | 14660220 |
11 | 8303493 |
12 | 4aabb10 |
13 | 3063ab3 |
14 | 1d38908 |
15 | 1448b80 |
hex | dfb27c |
14660220 has 48 divisors (see below), whose sum is σ = 41328000. Its totient is φ = 3882816.
The previous prime is 14660209. The next prime is 14660221. The reversal of 14660220 is 2206641.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14660221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9031 + ... + 10529.
It is an arithmetic number, because the mean of its divisors is an integer number (861000).
Almost surely, 214660220 is an apocalyptic number.
14660220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 14660220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20664000).
14660220 is an abundant number, since it is smaller than the sum of its proper divisors (26667780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14660220 is a wasteful number, since it uses less digits than its factorization.
14660220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1674 (or 1672 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 14660220 is about 3828.8666730509. The cubic root of 14660220 is about 244.7448127337.
Adding to 14660220 its reverse (2206641), we get a palindrome (16866861).
The spelling of 14660220 in words is "fourteen million, six hundred sixty thousand, two hundred twenty".
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