Base | Representation |
---|---|
bin | 110111000110… |
… | …001110011100 |
3 | 1000011210122111 |
4 | 313012032130 |
5 | 12144142140 |
6 | 1233323404 |
7 | 233524045 |
oct | 67061634 |
9 | 30153574 |
10 | 14443420 |
11 | 8175612 |
12 | 4a06564 |
13 | 2cb9204 |
14 | 1cbd8cc |
15 | 14047ea |
hex | dc639c |
14443420 has 48 divisors (see below), whose sum is σ = 32256000. Its totient is φ = 5417280.
The previous prime is 14443369. The next prime is 14443423. The reversal of 14443420 is 2434441.
It is a super-2 number, since 2×144434202 = 417224762592800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 14443391 and 14443400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14443423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72481 + ... + 72679.
It is an arithmetic number, because the mean of its divisors is an integer number (672000).
Almost surely, 214443420 is an apocalyptic number.
14443420 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 14443420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16128000).
14443420 is an abundant number, since it is smaller than the sum of its proper divisors (17812580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14443420 is a wasteful number, since it uses less digits than its factorization.
14443420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 418 (or 416 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 22.
The square root of 14443420 is about 3800.4499733584. The cubic root of 14443420 is about 243.5323615084.
Adding to 14443420 its reverse (2434441), we get a palindrome (16877861).
The spelling of 14443420 in words is "fourteen million, four hundred forty-three thousand, four hundred twenty".
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