Search a number
-
+
23488989 = 319140993
BaseRepresentation
bin101100110011…
…0100111011101
31122012100211120
41121212213131
522003121424
62155241153
7403440006
oct131464735
948170746
1023488989
1112293697
127a491b9
134b35514
1431961ad
1520dea79
hex16669dd

23488989 has 8 divisors (see below), whose sum is σ = 31483392. Its totient is φ = 15576960.

The previous prime is 23488981. The next prime is 23489009. The reversal of 23488989 is 98988432.

It is a happy number.

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

It is not a de Polignac number, because 23488989 - 23 = 23488981 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23488981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19924 + ... + 21069.

It is an arithmetic number, because the mean of its divisors is an integer number (3935424).

Almost surely, 223488989 is an apocalyptic number.

It is an amenable number.

23488989 is a deficient number, since it is larger than the sum of its proper divisors (7994403).

23488989 is a wasteful number, since it uses less digits than its factorization.

23488989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41187.

The product of its digits is 995328, while the sum is 51.

The square root of 23488989 is about 4846.5440264172. The cubic root of 23488989 is about 286.3879724891.

The spelling of 23488989 in words is "twenty-three million, four hundred eighty-eight thousand, nine hundred eighty-nine".

Divisors: 1 3 191 573 40993 122979 7829663 23488989