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2133239 = 10919571
BaseRepresentation
bin1000001000110011110111
311000101020212
420020303313
51021230424
6113420035
724063233
oct10106367
94011225
102133239
111227809
1286a61b
13598c94
143d75c3
152c210e
hex208cf7

2133239 has 4 divisors (see below), whose sum is σ = 2152920. Its totient is φ = 2113560.

The previous prime is 2133217. The next prime is 2133251. The reversal of 2133239 is 9323312.

2133239 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.

It is a cyclic number.

It is not a de Polignac number, because 2133239 - 28 = 2132983 is a prime.

It is a super-2 number, since 2×21332392 = 9101417262242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133289) 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, 9677 + ... + 9894.

It is an arithmetic number, because the mean of its divisors is an integer number (538230).

22133239 is an apocalyptic number.

2133239 is a deficient number, since it is larger than the sum of its proper divisors (19681).

2133239 is a wasteful number, since it uses less digits than its factorization.

2133239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19680.

The product of its digits is 972, while the sum is 23.

The square root of 2133239 is about 1460.5611935143. The cubic root of 2133239 is about 128.7300204646.

The spelling of 2133239 in words is "two million, one hundred thirty-three thousand, two hundred thirty-nine".

Divisors: 1 109 19571 2133239