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2590345 = 5895821
BaseRepresentation
bin1001111000011010001001
311212121021201
421320122021
51130342340
6131304201
731006012
oct11703211
94777251
102590345
11150a18a
12a4b061
136c9064
144b6009
1536279a
hex278689

2590345 has 8 divisors (see below), whose sum is σ = 3143880. Its totient is φ = 2048640.

The previous prime is 2590279. The next prime is 2590349. The reversal of 2590345 is 5430952.

It can be written as a sum of positive squares in 4 ways, for example, as 328329 + 2262016 = 573^2 + 1504^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2590345 - 211 = 2588297 is a prime.

2590345 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2590349) 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, 2466 + ... + 3355.

It is an arithmetic number, because the mean of its divisors is an integer number (392985).

22590345 is an apocalyptic number.

It is an amenable number.

2590345 is a deficient number, since it is larger than the sum of its proper divisors (553535).

2590345 is an equidigital number, since it uses as much as digits as its factorization.

2590345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5915.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2590345 is about 1609.4548766586. The cubic root of 2590345 is about 137.3364667387.

The spelling of 2590345 in words is "two million, five hundred ninety thousand, three hundred forty-five".

Divisors: 1 5 89 445 5821 29105 518069 2590345