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2530641 = 32932879
BaseRepresentation
bin1001101001110101010001
311202120101110
421221311101
51121440031
6130123533
730336651
oct11516521
94676343
102530641
111479343
12a205a9
136a7b29
1449c361
1534ec46
hex269d51

2530641 has 8 divisors (see below), whose sum is σ = 3386880. Its totient is φ = 1680752.

The previous prime is 2530597. The next prime is 2530663. The reversal of 2530641 is 1460352.

It is a happy number.

2530641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2530641 - 27 = 2530513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2530681) 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 7 ways as a sum of consecutive naturals, for example, 561 + ... + 2318.

It is an arithmetic number, because the mean of its divisors is an integer number (423360).

22530641 is an apocalyptic number.

It is an amenable number.

2530641 is a deficient number, since it is larger than the sum of its proper divisors (856239).

2530641 is a wasteful number, since it uses less digits than its factorization.

2530641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2530641 is about 1590.7988559211. The cubic root of 2530641 is about 136.2731139419.

Adding to 2530641 its reverse (1460352), we get a palindrome (3990993).

The spelling of 2530641 in words is "two million, five hundred thirty thousand, six hundred forty-one".

Divisors: 1 3 293 879 2879 8637 843547 2530641