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2540913 = 34319697
BaseRepresentation
bin1001101100010101110001
311210002110220
421230111301
51122302123
6130243253
730411624
oct11542561
94702426
102540913
111486031
12a26529
136ac6cb
144a1dbb
15352ce3
hex26c571

2540913 has 8 divisors (see below), whose sum is σ = 3466848. Its totient is φ = 1654464.

The previous prime is 2540903. The next prime is 2540933. The reversal of 2540913 is 3190452.

2540913 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 not a de Polignac number, because 2540913 - 26 = 2540849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2540903) 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, 9720 + ... + 9977.

It is an arithmetic number, because the mean of its divisors is an integer number (433356).

22540913 is an apocalyptic number.

It is an amenable number.

2540913 is a deficient number, since it is larger than the sum of its proper divisors (925935).

2540913 is a wasteful number, since it uses less digits than its factorization.

2540913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19743.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2540913 is about 1594.0241528910. The cubic root of 2540913 is about 136.4572448579.

The spelling of 2540913 in words is "two million, five hundred forty thousand, nine hundred thirteen".

Divisors: 1 3 43 129 19697 59091 846971 2540913