Base | Representation |
---|---|
bin | 110111100100… |
… | …111000111101 |
3 | 1000102011221101 |
4 | 313210320331 |
5 | 12212202041 |
6 | 1240133101 |
7 | 234556165 |
oct | 67447075 |
9 | 30364841 |
10 | 14569021 |
11 | 8250a15 |
12 | 4a67191 |
13 | 303142c |
14 | 1d135a5 |
15 | 142bb31 |
hex | de4e3d |
14569021 has 4 divisors (see below), whose sum is σ = 14578492. Its totient is φ = 14559552.
The previous prime is 14569019. The next prime is 14569069. The reversal of 14569021 is 12096541.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12096541 = 31 ⋅390211.
It can be written as a sum of positive squares in 2 ways, for example, as 8122500 + 6446521 = 2850^2 + 2539^2 .
It is a cyclic number.
It is not a de Polignac number, because 14569021 - 21 = 14569019 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14569001) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1836 + ... + 5701.
It is an arithmetic number, because the mean of its divisors is an integer number (3644623).
Almost surely, 214569021 is an apocalyptic number.
It is an amenable number.
14569021 is a deficient number, since it is larger than the sum of its proper divisors (9471).
14569021 is an equidigital number, since it uses as much as digits as its factorization.
14569021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9470.
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 14569021 is about 3816.9386948181. The cubic root of 14569021 is about 244.2362499493.
The spelling of 14569021 in words is "fourteen million, five hundred sixty-nine thousand, twenty-one".
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