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1214322233 = 2789435397
BaseRepresentation
bin100100001100001…
…0001011000111001
310010121221221221112
41020120101120321
54441331302413
6320255050105
742043366025
oct11030213071
93117857845
101214322233
115734a92a3
1229a810935
1316476a487
14b73bb385
15719192a8
hex48611639

1214322233 has 4 divisors (see below), whose sum is σ = 1214760420. Its totient is φ = 1213884048.

The previous prime is 1214322169. The next prime is 1214322253. The reversal of 1214322233 is 3322234121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3322234121 = 22613146917.

It can be written as a sum of positive squares in 2 ways, for example, as 682881424 + 531440809 = 26132^2 + 23053^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214322233 - 26 = 1214322169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1214322199 and 1214322208.

It is not an unprimeable number, because it can be changed into a prime (1214322253) 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, 214910 + ... + 220487.

It is an arithmetic number, because the mean of its divisors is an integer number (303690105).

Almost surely, 21214322233 is an apocalyptic number.

It is an amenable number.

1214322233 is a deficient number, since it is larger than the sum of its proper divisors (438187).

1214322233 is an equidigital number, since it uses as much as digits as its factorization.

1214322233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438186.

The product of its digits is 1728, while the sum is 23.

The square root of 1214322233 is about 34847.1266103821. The cubic root of 1214322233 is about 1066.8695392229.

Adding to 1214322233 its reverse (3322234121), we get a palindrome (4536556354).

The spelling of 1214322233 in words is "one billion, two hundred fourteen million, three hundred twenty-two thousand, two hundred thirty-three".

Divisors: 1 2789 435397 1214322233