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2680038 = 232148891
BaseRepresentation
bin1010001110010011100110
312001011022200
422032103212
51141230123
6133235330
731531344
oct12162346
95034280
102680038
111570609
12a92b46
1372ab2a
144da994
1537e143
hex28e4e6

2680038 has 12 divisors (see below), whose sum is σ = 5806788. Its totient is φ = 893340.

The previous prime is 2680031. The next prime is 2680039. The reversal of 2680038 is 8300862.

2680038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2679993 and 2680020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680031) 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 5 ways as a sum of consecutive naturals, for example, 74428 + ... + 74463.

It is an arithmetic number, because the mean of its divisors is an integer number (483899).

22680038 is an apocalyptic number.

2680038 is an abundant number, since it is smaller than the sum of its proper divisors (3126750).

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

2680038 is a wasteful number, since it uses less digits than its factorization.

2680038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148899 (or 148896 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2680038 is about 1637.0821604306. The cubic root of 2680038 is about 138.9036476642.

The spelling of 2680038 in words is "two million, six hundred eighty thousand, thirty-eight".

Divisors: 1 2 3 6 9 18 148891 297782 446673 893346 1340019 2680038