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2012233 = 19105907
BaseRepresentation
bin111101011010001001001
310210020021011
413223101021
51003342413
6111043521
723050366
oct7532111
93706234
102012233
111154903
128105a1
13555b92
143a546d
1529b33d
hex1eb449

2012233 has 4 divisors (see below), whose sum is σ = 2118160. Its totient is φ = 1906308.

The previous prime is 2012221. The next prime is 2012237. The reversal of 2012233 is 3322102.

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.

It is not a de Polignac number, because 2012233 - 217 = 1881161 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (2012237) 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, 52935 + ... + 52972.

It is an arithmetic number, because the mean of its divisors is an integer number (529540).

22012233 is an apocalyptic number.

It is an amenable number.

2012233 is a deficient number, since it is larger than the sum of its proper divisors (105927).

2012233 is a wasteful number, since it uses less digits than its factorization.

2012233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105926.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2012233 is about 1418.5319876548. The cubic root of 2012233 is about 126.2484599361.

Adding to 2012233 its reverse (3322102), we get a palindrome (5334335).

The spelling of 2012233 in words is "two million, twelve thousand, two hundred thirty-three".

Divisors: 1 19 105907 2012233