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2142233 = 4914363
BaseRepresentation
bin1000001011000000011001
311000211120222
420023000121
51022022413
6113525425
724131402
oct10130031
94024528
102142233
111233545
12873875
135a00c2
143da9a9
152c4b08
hex20b019

2142233 has 4 divisors (see below), whose sum is σ = 2147088. Its totient is φ = 2137380.

The previous prime is 2142229. The next prime is 2142241. The reversal of 2142233 is 3322412.

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 a cyclic number.

It is not a de Polignac number, because 2142233 - 22 = 2142229 is a prime.

It is a d-powerful number, because it can be written as 24 + 1 + 4 + 26 + 214 + 312 + 313 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691 + ... + 2672.

It is an arithmetic number, because the mean of its divisors is an integer number (536772).

22142233 is an apocalyptic number.

It is an amenable number.

2142233 is a deficient number, since it is larger than the sum of its proper divisors (4855).

2142233 is an equidigital number, since it uses as much as digits as its factorization.

2142233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4854.

The product of its digits is 288, while the sum is 17.

The square root of 2142233 is about 1463.6369085262. The cubic root of 2142233 is about 128.9106807133.

Adding to 2142233 its reverse (3322412), we get a palindrome (5464645).

The spelling of 2142233 in words is "two million, one hundred forty-two thousand, two hundred thirty-three".

Divisors: 1 491 4363 2142233