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212114233 = 1911163907
BaseRepresentation
bin11001010010010…
…01101100111001
3112210010112000201
430221021230321
5413300123413
633014202201
75153640562
oct1451115471
9483115021
10212114233
11a9807621
125b053361
1334c392a6
1420257169
151394d9dd
hexca49b39

212114233 has 4 divisors (see below), whose sum is σ = 223278160. Its totient is φ = 200950308.

The previous prime is 212114213. The next prime is 212114251. The reversal of 212114233 is 332411212.

It is a happy number.

212114233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 212114233 - 221 = 210017081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 11163907 = 212114233 / (2 + 1 + 2 + 1 + 1 + 4 + 2 + 3 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212114233.

It is not an unprimeable number, because it can be changed into a prime (212114213) 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, 5581935 + ... + 5581972.

It is an arithmetic number, because the mean of its divisors is an integer number (55819540).

Almost surely, 2212114233 is an apocalyptic number.

It is an amenable number.

212114233 is a deficient number, since it is larger than the sum of its proper divisors (11163927).

212114233 is a wasteful number, since it uses less digits than its factorization.

212114233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11163926.

The product of its digits is 288, while the sum is 19.

The square root of 212114233 is about 14564.1420275964. The cubic root of 212114233 is about 596.3802741479.

Adding to 212114233 its reverse (332411212), we get a palindrome (544525445).

The spelling of 212114233 in words is "two hundred twelve million, one hundred fourteen thousand, two hundred thirty-three".

Divisors: 1 19 11163907 212114233