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2133983 = 7572819
BaseRepresentation
bin1000001000111111011111
311000102021102
420020333133
51021241413
6113423315
724065345
oct10107737
94012242
102133983
111228325
1286ab3b
13599417
143d7995
152c2458
hex208fdf

2133983 has 4 divisors (see below), whose sum is σ = 2137560. Its totient is φ = 2130408.

The previous prime is 2133973. The next prime is 2133991. The reversal of 2133983 is 3893312.

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 2133983 - 212 = 2129887 is a prime.

It is a d-powerful number, because it can be written as 213 + 1 + 32 + 312 + 9 + 8 + 313 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653 + ... + 2166.

It is an arithmetic number, because the mean of its divisors is an integer number (534390).

22133983 is an apocalyptic number.

2133983 is a deficient number, since it is larger than the sum of its proper divisors (3577).

2133983 is an equidigital number, since it uses as much as digits as its factorization.

2133983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3576.

The product of its digits is 3888, while the sum is 29.

The square root of 2133983 is about 1460.8158679313. The cubic root of 2133983 is about 128.7449842518.

The spelling of 2133983 in words is "two million, one hundred thirty-three thousand, nine hundred eighty-three".

Divisors: 1 757 2819 2133983