Search a number
-
+
14532431 = 70120731
BaseRepresentation
bin110111011011…
…111101001111
31000100022202012
4313123331033
512210014211
61235251435
7234344414
oct67337517
930308665
1014532431
118226481
124a49b7b
13301a894
141d0410b
151420d8b
hexddbf4f

14532431 has 4 divisors (see below), whose sum is σ = 14553864. Its totient is φ = 14511000.

The previous prime is 14532407. The next prime is 14532437. The reversal of 14532431 is 13423541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14532431 is a prime.

It is a super-2 number, since 2×145324312 = 422383101539522, 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 = 14532397 and 14532406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14532437) 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, 9665 + ... + 11066.

It is an arithmetic number, because the mean of its divisors is an integer number (3638466).

Almost surely, 214532431 is an apocalyptic number.

14532431 is a deficient number, since it is larger than the sum of its proper divisors (21433).

14532431 is an equidigital number, since it uses as much as digits as its factorization.

14532431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21432.

The product of its digits is 1440, while the sum is 23.

The square root of 14532431 is about 3812.1425734093. The cubic root of 14532431 is about 244.0316126290.

Adding to 14532431 its reverse (13423541), we get a palindrome (27955972).

The spelling of 14532431 in words is "fourteen million, five hundred thirty-two thousand, four hundred thirty-one".

Divisors: 1 701 20731 14532431