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2489541 = 3829847
BaseRepresentation
bin1001011111110011000101
311200111000020
421133303011
51114131131
6125205353
730106065
oct11376305
94614006
102489541
11145047a
12a00859
13692202
1448b3a5
15342996
hex25fcc5

2489541 has 4 divisors (see below), whose sum is σ = 3319392. Its totient is φ = 1659692.

The previous prime is 2489533. The next prime is 2489567. The reversal of 2489541 is 1459842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2489541 - 23 = 2489533 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414921 + ... + 414926.

It is an arithmetic number, because the mean of its divisors is an integer number (829848).

22489541 is an apocalyptic number.

It is an amenable number.

2489541 is a deficient number, since it is larger than the sum of its proper divisors (829851).

2489541 is an equidigital number, since it uses as much as digits as its factorization.

2489541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829850.

The product of its digits is 11520, while the sum is 33.

The square root of 2489541 is about 1577.8279373873. The cubic root of 2489541 is about 135.5313489827.

The spelling of 2489541 in words is "two million, four hundred eighty-nine thousand, five hundred forty-one".

Divisors: 1 3 829847 2489541