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2540873 = 53191251
BaseRepresentation
bin1001101100010101001001
311210002102102
421230111021
51122301443
6130243145
730411536
oct11542511
94702372
102540873
111485aa5
12a264b5
136ac69a
144a1d8d
15352cb8
hex26c549

2540873 has 8 divisors (see below), whose sum is σ = 2612736. Its totient is φ = 2470000.

The previous prime is 2540869. The next prime is 2540887. The reversal of 2540873 is 3780452.

It is a happy number.

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 2540873 - 22 = 2540869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2540173) 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, 9998 + ... + 10248.

It is an arithmetic number, because the mean of its divisors is an integer number (326592).

22540873 is an apocalyptic number.

It is an amenable number.

2540873 is a deficient number, since it is larger than the sum of its proper divisors (71863).

2540873 is a wasteful number, since it uses less digits than its factorization.

2540873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 2540873 is about 1594.0116059803. The cubic root of 2540873 is about 136.4565288005.

The spelling of 2540873 in words is "two million, five hundred forty thousand, eight hundred seventy-three".

Divisors: 1 53 191 251 10123 13303 47941 2540873