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2081893 = 11533571
BaseRepresentation
bin111111100010001100101
310220202211011
413330101211
51013110033
6112342221
723460442
oct7742145
93822734
102081893
1111a2180
12844971
1357b7b8
143c29c9
152b1ccd
hex1fc465

2081893 has 8 divisors (see below), whose sum is σ = 2314656. Its totient is φ = 1856400.

The previous prime is 2081873. The next prime is 2081897. The reversal of 2081893 is 3981802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2081893 - 25 = 2081861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203 + ... + 2368.

It is an arithmetic number, because the mean of its divisors is an integer number (289332).

22081893 is an apocalyptic number.

It is an amenable number.

2081893 is a deficient number, since it is larger than the sum of its proper divisors (232763).

2081893 is a wasteful number, since it uses less digits than its factorization.

2081893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3635.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 2081893 is about 1442.8766406038. The cubic root of 2081893 is about 127.6887988529.

The spelling of 2081893 in words is "two million, eighty-one thousand, eight hundred ninety-three".

Divisors: 1 11 53 583 3571 39281 189263 2081893