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2540941 = 13195457
BaseRepresentation
bin1001101100010110001101
311210002111221
421230112031
51122302231
6130243341
730411664
oct11542615
94702457
102540941
111486057
12a26551
136ac720
144a1ddb
15352d11
hex26c58d

2540941 has 4 divisors (see below), whose sum is σ = 2736412. Its totient is φ = 2345472.

The previous prime is 2540933. The next prime is 2540957. The reversal of 2540941 is 1490452.

2540941 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 126025 + 2414916 = 355^2 + 1554^2 .

It is a cyclic number.

It is not a de Polignac number, because 2540941 - 23 = 2540933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540981) 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, 97716 + ... + 97741.

It is an arithmetic number, because the mean of its divisors is an integer number (684103).

22540941 is an apocalyptic number.

It is an amenable number.

2540941 is a deficient number, since it is larger than the sum of its proper divisors (195471).

2540941 is a wasteful number, since it uses less digits than its factorization.

2540941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195470.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2540941 is about 1594.0329356698. The cubic root of 2540941 is about 136.4577460936.

It can be divided in two parts, 2540 and 941, that added together give a square (3481 = 592).

The spelling of 2540941 in words is "two million, five hundred forty thousand, nine hundred forty-one".

Divisors: 1 13 195457 2540941