Search a number
-
+
1214323242 = 231118398837
BaseRepresentation
bin100100001100001…
…0001101000101010
310010121222000022220
41020120101220222
54441331320432
6320255054510
742043401666
oct11030215052
93117860286
101214323242
115734aa030
1229a811436
1316476aa82
14b73bb8a6
157191972c
hex48611a2a

1214323242 has 16 divisors (see below), whose sum is σ = 2649432672. Its totient is φ = 367976720.

The previous prime is 1214323241. The next prime is 1214323259. The reversal of 1214323242 is 2423234121.

It is a happy number.

It is a super-2 number, since 2×12143232422 = 2949161872122781128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1214323241) 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 7 ways as a sum of consecutive naturals, for example, 9199353 + ... + 9199484.

It is an arithmetic number, because the mean of its divisors is an integer number (165589542).

Almost surely, 21214323242 is an apocalyptic number.

1214323242 is an abundant number, since it is smaller than the sum of its proper divisors (1435109430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1214323242 is a wasteful number, since it uses less digits than its factorization.

1214323242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18398853.

The product of its digits is 2304, while the sum is 24.

The square root of 1214323242 is about 34847.1410878999. The cubic root of 1214323242 is about 1066.8698347159.

Adding to 1214323242 its reverse (2423234121), we get a palindrome (3637557363).

The spelling of 1214323242 in words is "one billion, two hundred fourteen million, three hundred twenty-three thousand, two hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 18398837 36797674 55196511 110393022 202387207 404774414 607161621 1214323242