Search a number
-
+
1214311 = 7173473
BaseRepresentation
bin100101000011101100111
32021200201111
410220131213
5302324221
642005451
713215160
oct4503547
92250644
101214311
1175a36a
124a6887
13336937
14238767
1518ebe1
hex128767

1214311 has 4 divisors (see below), whose sum is σ = 1387792. Its totient is φ = 1040832.

The previous prime is 1214299. The next prime is 1214333. The reversal of 1214311 is 1134121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1134121 = 1766713.

It is a cyclic number.

It is not a de Polignac number, because 1214311 - 27 = 1214183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1214291 and 1214300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214371) 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 in 3 ways as a sum of consecutive naturals, for example, 86730 + ... + 86743.

It is an arithmetic number, because the mean of its divisors is an integer number (346948).

21214311 is an apocalyptic number.

1214311 is a deficient number, since it is larger than the sum of its proper divisors (173481).

1214311 is an equidigital number, since it uses as much as digits as its factorization.

1214311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173480.

The product of its digits is 24, while the sum is 13.

The square root of 1214311 is about 1101.9578031849. The cubic root of 1214311 is about 106.6866249546.

Adding to 1214311 its reverse (1134121), we get a palindrome (2348432).

The spelling of 1214311 in words is "one million, two hundred fourteen thousand, three hundred eleven".

Divisors: 1 7 173473 1214311