Search a number
-
+
23983239 = 371142059
BaseRepresentation
bin101101101111…
…1010010000111
31200010110211010
41123133102013
522114430424
62214013303
7410565660
oct133372207
950113733
1023983239
11125a0a65
128047233
134c79487
143284367
15218b229
hex16df487

23983239 has 8 divisors (see below), whose sum is σ = 36545920. Its totient is φ = 13704696.

The previous prime is 23983217. The next prime is 23983247. The reversal of 23983239 is 93238932.

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

It is not a de Polignac number, because 23983239 - 29 = 23982727 is a prime.

It is a super-2 number, since 2×239832392 = 1150391505862242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23983197 and 23983206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23983259) 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, 571009 + ... + 571050.

It is an arithmetic number, because the mean of its divisors is an integer number (4568240).

Almost surely, 223983239 is an apocalyptic number.

23983239 is a deficient number, since it is larger than the sum of its proper divisors (12562681).

23983239 is a wasteful number, since it uses less digits than its factorization.

23983239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142069.

The product of its digits is 69984, while the sum is 39.

The square root of 23983239 is about 4897.2685243919. The cubic root of 23983239 is about 288.3827496875.

The spelling of 23983239 in words is "twenty-three million, nine hundred eighty-three thousand, two hundred thirty-nine".

Divisors: 1 3 7 21 1142059 3426177 7994413 23983239