Base | Representation |
---|---|
bin | 110101100001… |
… | …100101110100 |
3 | 222101212012211 |
4 | 311201211310 |
5 | 12042444340 |
6 | 1220423204 |
7 | 230156230 |
oct | 65414564 |
9 | 28355184 |
10 | 14031220 |
11 | 7a13955 |
12 | 4847b04 |
13 | 2ba36c8 |
14 | 1c135c0 |
15 | 13725ea |
hex | d61974 |
14031220 has 96 divisors (see below), whose sum is σ = 35997696. Its totient is φ = 4492800.
The previous prime is 14031217. The next prime is 14031299. The reversal of 14031220 is 2213041.
14031220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 14031220.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229990 + ... + 230050.
It is an arithmetic number, because the mean of its divisors is an integer number (374976).
Almost surely, 214031220 is an apocalyptic number.
14031220 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 14031220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17998848).
14031220 is an abundant number, since it is smaller than the sum of its proper divisors (21966476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14031220 is a wasteful number, since it uses less digits than its factorization.
14031220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161 (or 159 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 14031220 is about 3745.8270114889. The cubic root of 14031220 is about 241.1932473195.
Adding to 14031220 its reverse (2213041), we get a palindrome (16244261).
The spelling of 14031220 in words is "fourteen million, thirty-one thousand, two hundred twenty".
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