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2080489 = 2971741
BaseRepresentation
bin111111011111011101001
310220200220011
413323323221
51013033424
6112331521
723453365
oct7737351
93820804
102080489
1111a1114
12843ba1
1357ac78
143c22a5
152b1694
hex1fbee9

2080489 has 4 divisors (see below), whose sum is σ = 2152260. Its totient is φ = 2008720.

The previous prime is 2080453. The next prime is 2080501. The reversal of 2080489 is 9840802.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1210000 + 870489 = 1100^2 + 933^2 .

It is a cyclic number.

It is not a de Polignac number, because 2080489 - 217 = 1949417 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2080489.

It is not an unprimeable number, because it can be changed into a prime (2080439) 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, 35842 + ... + 35899.

It is an arithmetic number, because the mean of its divisors is an integer number (538065).

22080489 is an apocalyptic number.

2080489 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2080489 is a deficient number, since it is larger than the sum of its proper divisors (71771).

2080489 is an equidigital number, since it uses as much as digits as its factorization.

2080489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71770.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 2080489 is about 1442.3900304703. The cubic root of 2080489 is about 127.6600885415.

The spelling of 2080489 in words is "two million, eighty thousand, four hundred eighty-nine".

Divisors: 1 29 71741 2080489