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2588881 = 16092
BaseRepresentation
bin1001111000000011010001
311212112021111
421320003101
51130321011
6131253321
731001521
oct11700321
94775244
102588881
111509079
12a4a241
136c84a9
144b5681
15362121
hex2780d1

2588881 has 3 divisors (see below), whose sum is σ = 2590491. Its totient is φ = 2587272.

The previous prime is 2588869. The next prime is 2588893. The reversal of 2588881 is 1888852.

The square root of 2588881 is 1609.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (2588869) and next prime (2588893).

It can be written as a sum of positive squares in only one way, i.e., 2531281 + 57600 = 1591^2 + 240^2 .

It is not a de Polignac number, because 2588881 - 27 = 2588753 is a prime.

It is a super-2 number, since 2×25888812 = 13404609664322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2588821) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 805 + ... + 2413.

It is an arithmetic number, because the mean of its divisors is an integer number (863497).

22588881 is an apocalyptic number.

2588881 is the 1609-th square number.

2588881 is the 805-th centered octagonal number.

It is an amenable number.

2588881 is a deficient number, since it is larger than the sum of its proper divisors (1610).

2588881 is an frugal number, since it uses more digits than its factorization.

2588881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218 (or 1609 counting only the distinct ones).

The product of its digits is 40960, while the sum is 40.

The cubic root of 2588881 is about 137.3105887858.

The spelling of 2588881 in words is "two million, five hundred eighty-eight thousand, eight hundred eighty-one".

Divisors: 1 1609 2588881