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2540833 = 23611811
BaseRepresentation
bin1001101100010100100001
311210002100221
421230110201
51122301313
6130243041
730411451
oct11542441
94702327
102540833
111485a69
12a26481
136ac669
144a1d61
15352c8d
hex26c521

2540833 has 8 divisors (see below), whose sum is σ = 2696256. Its totient is φ = 2389200.

The previous prime is 2540831. The next prime is 2540849. The reversal of 2540833 is 3380452.

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 2540833 - 21 = 2540831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2540798 and 2540807.

It is not an unprimeable number, because it can be changed into a prime (2540831) 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, 498 + ... + 2308.

It is an arithmetic number, because the mean of its divisors is an integer number (337032).

22540833 is an apocalyptic number.

2540833 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2540833 is a deficient number, since it is larger than the sum of its proper divisors (155423).

2540833 is a wasteful number, since it uses less digits than its factorization.

2540833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2540833 is about 1593.9990589709. Note that the first 3 decimals coincide. The cubic root of 2540833 is about 136.4558127357.

The spelling of 2540833 in words is "two million, five hundred forty thousand, eight hundred thirty-three".

Divisors: 1 23 61 1403 1811 41653 110471 2540833