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2133489 = 3711163
BaseRepresentation
bin1000001000110111110001
311000101121010
420020313301
51021232424
6113421133
724064041
oct10106761
94011533
102133489
111227a16
1286a7a9
13599127
143d7721
152c2229
hex208df1

2133489 has 4 divisors (see below), whose sum is σ = 2844656. Its totient is φ = 1422324.

The previous prime is 2133487. The next prime is 2133533. The reversal of 2133489 is 9843312.

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 2133489 - 21 = 2133487 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133487) 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, 355579 + ... + 355584.

It is an arithmetic number, because the mean of its divisors is an integer number (711164).

22133489 is an apocalyptic number.

It is an amenable number.

2133489 is a deficient number, since it is larger than the sum of its proper divisors (711167).

2133489 is an equidigital number, since it uses as much as digits as its factorization.

2133489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711166.

The product of its digits is 5184, while the sum is 30.

The square root of 2133489 is about 1460.6467745489. The cubic root of 2133489 is about 128.7350490070.

The spelling of 2133489 in words is "two million, one hundred thirty-three thousand, four hundred eighty-nine".

Divisors: 1 3 711163 2133489