Search a number
-
+
14222813 = 111292983
BaseRepresentation
bin110110010000…
…010111011101
3222202121000212
4312100113131
512120112223
61224502205
7231614633
oct66202735
928677025
1014222813
1180348a0
12491a965
132c3c987
141c63353
1513ae278
hexd905dd

14222813 has 4 divisors (see below), whose sum is σ = 15515808. Its totient is φ = 12929820.

The previous prime is 14222807. The next prime is 14222833. The reversal of 14222813 is 31822241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31822241 = 112892931.

It is a cyclic number.

It is not a de Polignac number, because 14222813 - 214 = 14206429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14222833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646481 + ... + 646502.

It is an arithmetic number, because the mean of its divisors is an integer number (3878952).

Almost surely, 214222813 is an apocalyptic number.

It is an amenable number.

14222813 is a deficient number, since it is larger than the sum of its proper divisors (1292995).

14222813 is a wasteful number, since it uses less digits than its factorization.

14222813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292994.

The product of its digits is 768, while the sum is 23.

The square root of 14222813 is about 3771.3144923223. The cubic root of 14222813 is about 242.2861003972.

It can be divided in two parts, 142228 and 13, that added together give a palindrome (142241).

The spelling of 14222813 in words is "fourteen million, two hundred twenty-two thousand, eight hundred thirteen".

Divisors: 1 11 1292983 14222813