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23118427 = 231995051
BaseRepresentation
bin101100000110…
…0001001011011
31121111112112001
41120030021123
521404242202
62143301431
7400334443
oct130141133
947445461
1023118427
1112060242
1278aa877
134a35957
1430db123
152069d87
hex160c25b

23118427 has 8 divisors (see below), whose sum is σ = 24249600. Its totient is φ = 21997800.

The previous prime is 23118401. The next prime is 23118457. The reversal of 23118427 is 72481132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23118427 - 27 = 23118299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23118395 and 23118404.

It is not an unprimeable number, because it can be changed into a prime (23118457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2052 + ... + 7102.

It is an arithmetic number, because the mean of its divisors is an integer number (3031200).

Almost surely, 223118427 is an apocalyptic number.

23118427 is a deficient number, since it is larger than the sum of its proper divisors (1131173).

23118427 is a wasteful number, since it uses less digits than its factorization.

23118427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5273.

The product of its digits is 2688, while the sum is 28.

The square root of 23118427 is about 4808.1625388500. The cubic root of 23118427 is about 284.8739649963.

Adding to 23118427 its reverse (72481132), we get a palindrome (95599559).

The spelling of 23118427 in words is "twenty-three million, one hundred eighteen thousand, four hundred twenty-seven".

Divisors: 1 23 199 4577 5051 116173 1005149 23118427