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2680542 = 2321371087
BaseRepresentation
bin1010001110011011011110
312001012000100
422032123132
51141234132
6133241530
731532664
oct12163336
95035010
102680542
111570a27
12a932a6
1372b127
144dac34
1537e37c
hex28e6de

2680542 has 24 divisors (see below), whose sum is σ = 5855616. Its totient is φ = 886176.

The previous prime is 2680541. The next prime is 2680553. The reversal of 2680542 is 2450862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1923 + ... + 3009.

It is an arithmetic number, because the mean of its divisors is an integer number (243984).

22680542 is an apocalyptic number.

2680542 is an abundant number, since it is smaller than the sum of its proper divisors (3175074).

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

2680542 is a wasteful number, since it uses less digits than its factorization.

2680542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2680542 is about 1637.2360856028. The cubic root of 2680542 is about 138.9123543878.

The spelling of 2680542 in words is "two million, six hundred eighty thousand, five hundred forty-two".

Divisors: 1 2 3 6 9 18 137 274 411 822 1087 1233 2174 2466 3261 6522 9783 19566 148919 297838 446757 893514 1340271 2680542