Search a number
-
+
13843023 = 34614341
BaseRepresentation
bin110100110011…
…101001001111
3222001022001120
4310303221033
512020434043
61212412023
7225443445
oct64635117
928038046
1013843023
1178a5517
124777013
132b38b4c
141ba4b95
151336983
hexd33a4f

13843023 has 4 divisors (see below), whose sum is σ = 18457368. Its totient is φ = 9228680.

The previous prime is 13843021. The next prime is 13843031. The reversal of 13843023 is 32034831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32034831 = 310678277.

It is a cyclic number.

It is not a de Polignac number, because 13843023 - 21 = 13843021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13842984 and 13843002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13843021) 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, 2307168 + ... + 2307173.

It is an arithmetic number, because the mean of its divisors is an integer number (4614342).

Almost surely, 213843023 is an apocalyptic number.

13843023 is a deficient number, since it is larger than the sum of its proper divisors (4614345).

13843023 is an equidigital number, since it uses as much as digits as its factorization.

13843023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4614344.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 13843023 is about 3720.6213190810. The cubic root of 13843023 is about 240.1100363479.

Adding to 13843023 its reverse (32034831), we get a palindrome (45877854).

The spelling of 13843023 in words is "thirteen million, eight hundred forty-three thousand, twenty-three".

Divisors: 1 3 4614341 13843023