Base | Representation |
---|---|
bin | 111101100000… |
… | …100010100101 |
3 | 1010100012001202 |
4 | 331200202211 |
5 | 13111432234 |
6 | 1333332245 |
7 | 254023643 |
oct | 75404245 |
9 | 33305052 |
10 | 16124069 |
11 | 9113285 |
12 | 5497085 |
13 | 3457190 |
14 | 21da193 |
15 | 163777e |
hex | f608a5 |
16124069 has 8 divisors (see below), whose sum is σ = 17649912. Its totient is φ = 14639040.
The previous prime is 16124063. The next prime is 16124071. The reversal of 16124069 is 96042161.
It can be written as a sum of positive squares in 4 ways, for example, as 616225 + 15507844 = 785^2 + 3938^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 16124069 - 216 = 16058533 is a prime.
It is a super-2 number, since 2×161240692 = 519971202233522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16124063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9374 + ... + 10959.
It is an arithmetic number, because the mean of its divisors is an integer number (2206239).
Almost surely, 216124069 is an apocalyptic number.
It is an amenable number.
16124069 is a deficient number, since it is larger than the sum of its proper divisors (1525843).
16124069 is a wasteful number, since it uses less digits than its factorization.
16124069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20407.
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 16124069 is about 4015.4786763224. The cubic root of 16124069 is about 252.6338551140.
The spelling of 16124069 in words is "sixteen million, one hundred twenty-four thousand, sixty-nine".
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