Search a number
-
+
23431214 = 211715607
BaseRepresentation
bin101100101100…
…0100000101110
31122002102120202
41121120200232
521444244324
62154113502
7403106402
oct131304056
948072522
1023431214
1112254244
127a1b892
134b15131
14317d102
1520cc8ae
hex165882e

23431214 has 4 divisors (see below), whose sum is σ = 35146824. Its totient is φ = 11715606.

The previous prime is 23431211. The next prime is 23431231. The reversal of 23431214 is 41213432.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431211) 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 as a sum of consecutive naturals, namely, 5857802 + ... + 5857805.

It is an arithmetic number, because the mean of its divisors is an integer number (8786706).

Almost surely, 223431214 is an apocalyptic number.

23431214 is a deficient number, since it is larger than the sum of its proper divisors (11715610).

23431214 is a wasteful number, since it uses less digits than its factorization.

23431214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11715609.

The product of its digits is 576, while the sum is 20.

The square root of 23431214 is about 4840.5799239347. The cubic root of 23431214 is about 286.1529737330.

Adding to 23431214 its reverse (41213432), we get a palindrome (64644646).

The spelling of 23431214 in words is "twenty-three million, four hundred thirty-one thousand, two hundred fourteen".

Divisors: 1 2 11715607 23431214