Search a number
-
+
23042767 = 112094797
BaseRepresentation
bin101011111100…
…1101011001111
31121100200201211
41113321223033
521344332032
62141515251
7366601036
oct127715317
947320654
1023042767
1112009410
127872b27
134a0a397
1430bb71d
152052747
hex15f9acf

23042767 has 4 divisors (see below), whose sum is σ = 25137576. Its totient is φ = 20947960.

The previous prime is 23042741. The next prime is 23042783. The reversal of 23042767 is 76724032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23042767 - 215 = 23009999 is a prime.

It is a super-2 number, since 2×230427672 = 1061938222032578, 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 (23040767) 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 3 ways as a sum of consecutive naturals, for example, 1047388 + ... + 1047409.

It is an arithmetic number, because the mean of its divisors is an integer number (6284394).

Almost surely, 223042767 is an apocalyptic number.

23042767 is a deficient number, since it is larger than the sum of its proper divisors (2094809).

23042767 is a wasteful number, since it uses less digits than its factorization.

23042767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094808.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 23042767 is about 4800.2882205134. The cubic root of 23042767 is about 284.5628550187.

Adding to 23042767 its reverse (76724032), we get a palindrome (99766799).

The spelling of 23042767 in words is "twenty-three million, forty-two thousand, seven hundred sixty-seven".

Divisors: 1 11 2094797 23042767