Base | Representation |
---|---|
bin | 101011111100… |
… | …1101011110011 |
3 | 1121100200210011 |
4 | 1113321223303 |
5 | 21344332203 |
6 | 2141515351 |
7 | 366601120 |
oct | 127715363 |
9 | 47320704 |
10 | 23042803 |
11 | 12009443 |
12 | 7872b57 |
13 | 4a0a3c4 |
14 | 30bb747 |
15 | 205276d |
hex | 15f9af3 |
23042803 has 16 divisors (see below), whose sum is σ = 29099520. Its totient is φ = 17778816.
The previous prime is 23042783. The next prime is 23042819. The reversal of 23042803 is 30824032.
It is not a de Polignac number, because 23042803 - 29 = 23042291 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23042303) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1473 + ... + 6946.
It is an arithmetic number, because the mean of its divisors is an integer number (1818720).
Almost surely, 223042803 is an apocalyptic number.
23042803 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
23042803 is a deficient number, since it is larger than the sum of its proper divisors (6056717).
23042803 is a wasteful number, since it uses less digits than its factorization.
23042803 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8466.
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 23042803 is about 4800.2919702868. The cubic root of 23042803 is about 284.5630032107.
Adding to 23042803 its reverse (30824032), we get a palindrome (53866835).
The spelling of 23042803 in words is "twenty-three million, forty-two thousand, eight hundred three".
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