Search a number
-
+
23042803 = 717238419
BaseRepresentation
bin101011111100…
…1101011110011
31121100200210011
41113321223303
521344332203
62141515351
7366601120
oct127715363
947320704
1023042803
1112009443
127872b57
134a0a3c4
1430bb747
15205276d
hex15f9af3

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".

Divisors: 1 7 17 23 119 161 391 2737 8419 58933 143123 193637 1001861 1355459 3291829 23042803