Base | Representation |
---|---|
bin | 1010111100011110010110 |
3 | 12101202201112 |
4 | 22330132112 |
5 | 1213303032 |
6 | 141255022 |
7 | 33246563 |
oct | 12743626 |
9 | 5352645 |
10 | 2869142 |
11 | 168a6a1 |
12 | b64472 |
13 | 795c23 |
14 | 54986a |
15 | 3ba1b2 |
hex | 2bc796 |
2869142 has 4 divisors (see below), whose sum is σ = 4303716. Its totient is φ = 1434570.
The previous prime is 2869127. The next prime is 2869159. The reversal of 2869142 is 2419682.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2419682 = 2 ⋅1209841.
It is a junction number, because it is equal to n+sod(n) for n = 2869099 and 2869108.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 717284 + ... + 717287.
It is an arithmetic number, because the mean of its divisors is an integer number (1075929).
22869142 is an apocalyptic number.
2869142 is a deficient number, since it is larger than the sum of its proper divisors (1434574).
2869142 is a wasteful number, since it uses less digits than its factorization.
2869142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1434573.
The product of its digits is 6912, while the sum is 32.
The square root of 2869142 is about 1693.8541849876. The cubic root of 2869142 is about 142.0967072509.
The spelling of 2869142 in words is "two million, eight hundred sixty-nine thousand, one hundred forty-two".
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