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23244143 = 131788011
BaseRepresentation
bin101100010101…
…0110101101111
31121201220222012
41120222311233
521422303033
62150111435
7401400116
oct130526557
947656865
1023244143
111213673a
12794b57b
134a7ac40
143130c7d
152092248
hex162ad6f

23244143 has 4 divisors (see below), whose sum is σ = 25032168. Its totient is φ = 21456120.

The previous prime is 23244139. The next prime is 23244161. The reversal of 23244143 is 34144232.

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

It is a cyclic number.

It is not a de Polignac number, because 23244143 - 22 = 23244139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23244043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893993 + ... + 894018.

It is an arithmetic number, because the mean of its divisors is an integer number (6258042).

Almost surely, 223244143 is an apocalyptic number.

23244143 is a deficient number, since it is larger than the sum of its proper divisors (1788025).

23244143 is a wasteful number, since it uses less digits than its factorization.

23244143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788024.

The product of its digits is 2304, while the sum is 23.

The square root of 23244143 is about 4821.2179996345. The cubic root of 23244143 is about 285.3894051170.

Adding to 23244143 its reverse (34144232), we get a palindrome (57388375).

The spelling of 23244143 in words is "twenty-three million, two hundred forty-four thousand, one hundred forty-three".

Divisors: 1 13 1788011 23244143