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2081883 = 3693961
BaseRepresentation
bin111111100010001011011
310220202210210
413330101123
51013110013
6112342203
723460426
oct7742133
93822723
102081883
1111a2171
12844963
1357b7ab
143c29bd
152b1cc3
hex1fc45b

2081883 has 4 divisors (see below), whose sum is σ = 2775848. Its totient is φ = 1387920.

The previous prime is 2081873. The next prime is 2081897. The reversal of 2081883 is 3881802.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2081883 - 25 = 2081851 is a prime.

It is a D-number.

It is a Duffinian number.

2081883 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2081883.

It is not an unprimeable number, because it can be changed into a prime (2081813) 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, 346978 + ... + 346983.

It is an arithmetic number, because the mean of its divisors is an integer number (693962).

22081883 is an apocalyptic number.

2081883 is a deficient number, since it is larger than the sum of its proper divisors (693965).

2081883 is an equidigital number, since it uses as much as digits as its factorization.

2081883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693964.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 2081883 is about 1442.8731752999. The cubic root of 2081883 is about 127.6885944091.

The spelling of 2081883 in words is "two million, eighty-one thousand, eight hundred eighty-three".

Divisors: 1 3 693961 2081883