Search a number
-
+
2585089 = 13296857
BaseRepresentation
bin1001110111001000000001
311212100002001
421313020001
51130210324
6131224001
730654463
oct11671001
94770061
102585089
111506241
12a48001
136c6850
144b4133
15360e44
hex277201

2585089 has 8 divisors (see below), whose sum is σ = 2880360. Its totient is φ = 2303616.

The previous prime is 2585081. The next prime is 2585111. The reversal of 2585089 is 9805852.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 50625 + 2534464 = 225^2 + 1592^2 .

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 2585089 - 23 = 2585081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2585081) 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, 3052 + ... + 3805.

It is an arithmetic number, because the mean of its divisors is an integer number (360045).

22585089 is an apocalyptic number.

2585089 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2585089 is a deficient number, since it is larger than the sum of its proper divisors (295271).

2585089 is a wasteful number, since it uses less digits than its factorization.

2585089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6899.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 2585089 is about 1607.8211965265. The cubic root of 2585089 is about 137.2435152537.

The spelling of 2585089 in words is "two million, five hundred eighty-five thousand, eighty-nine".

Divisors: 1 13 29 377 6857 89141 198853 2585089