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2589493 = 5574649
BaseRepresentation
bin1001111000001100110101
311212120010011
421320030311
51130330433
6131300221
731003354
oct11701465
94776104
102589493
111509585
12a4a671
136c885a
144b599b
153623cd
hex278335

2589493 has 4 divisors (see below), whose sum is σ = 2594700. Its totient is φ = 2584288.

The previous prime is 2589487. The next prime is 2589533. The reversal of 2589493 is 3949852.

It is a happy number.

2589493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1493284 + 1096209 = 1222^2 + 1047^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2589493 is a prime.

It is a super-3 number, since 3×25894933 = 52091333931121218471, which contains 333 as substring.

It is a Smith number, since the sum of its digits (40) 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (2589443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1768 + ... + 2881.

It is an arithmetic number, because the mean of its divisors is an integer number (648675).

22589493 is an apocalyptic number.

It is an amenable number.

2589493 is a deficient number, since it is larger than the sum of its proper divisors (5207).

2589493 is an equidigital number, since it uses as much as digits as its factorization.

2589493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5206.

The product of its digits is 77760, while the sum is 40.

The square root of 2589493 is about 1609.1901689981. The cubic root of 2589493 is about 137.3214078050.

The spelling of 2589493 in words is "two million, five hundred eighty-nine thousand, four hundred ninety-three".

Divisors: 1 557 4649 2589493