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2540382 = 231332569
BaseRepresentation
bin1001101100001101011110
311210001202020
421230031132
51122243012
6130241010
730410235
oct11541536
94701666
102540382
111485699
12a26166
136ac3b0
144a1b1c
15352a8c
hex26c35e

2540382 has 16 divisors (see below), whose sum is σ = 5471760. Its totient is φ = 781632.

The previous prime is 2540341. The next prime is 2540389. The reversal of 2540382 is 2830452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540389) 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, 16207 + ... + 16362.

It is an arithmetic number, because the mean of its divisors is an integer number (341985).

22540382 is an apocalyptic number.

2540382 is an abundant number, since it is smaller than the sum of its proper divisors (2931378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2540382 is a wasteful number, since it uses less digits than its factorization.

2540382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32587.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2540382 is about 1593.8575846041. The cubic root of 2540382 is about 136.4477385840.

The spelling of 2540382 in words is "two million, five hundred forty thousand, three hundred eighty-two".

Divisors: 1 2 3 6 13 26 39 78 32569 65138 97707 195414 423397 846794 1270191 2540382