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2080831 = 4744273
BaseRepresentation
bin111111100000000111111
310220201100211
413330000333
51013041311
6112333251
723454364
oct7740077
93821324
102080831
1111a13a5
12844227
1357b17c
143c246b
152b1821
hex1fc03f

2080831 has 4 divisors (see below), whose sum is σ = 2125152. Its totient is φ = 2036512.

The previous prime is 2080807. The next prime is 2080847. The reversal of 2080831 is 1380802.

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 2080831 - 215 = 2048063 is a prime.

It is a super-2 number, since 2×20808312 = 8659715301122, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2080801) 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, 22090 + ... + 22183.

It is an arithmetic number, because the mean of its divisors is an integer number (531288).

22080831 is an apocalyptic number.

2080831 is a deficient number, since it is larger than the sum of its proper divisors (44321).

2080831 is an equidigital number, since it uses as much as digits as its factorization.

2080831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44320.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 2080831 is about 1442.5085788306. The cubic root of 2080831 is about 127.6670832685.

The spelling of 2080831 in words is "two million, eighty thousand, eight hundred thirty-one".

Divisors: 1 47 44273 2080831