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2680487 = 732503
BaseRepresentation
bin1010001110011010100111
312001011221022
422032122213
51141233422
6133241355
731532555
oct12163247
95034838
102680487
111570987
12a9325b
1372b0b4
144dabd5
1537e342
hex28e6a7

2680487 has 6 divisors (see below), whose sum is σ = 2723112. Its totient is φ = 2638512.

The previous prime is 2680481. The next prime is 2680493. The reversal of 2680487 is 7840862.

It is an interprime number because it is at equal distance from previous prime (2680481) and next prime (2680493).

It is not a de Polignac number, because 2680487 - 24 = 2680471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5078 + ... + 5580.

It is an arithmetic number, because the mean of its divisors is an integer number (453852).

22680487 is an apocalyptic number.

2680487 is a deficient number, since it is larger than the sum of its proper divisors (42625).

2680487 is an frugal number, since it uses more digits than its factorization.

2680487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 2680487 is about 1637.2192889164. The cubic root of 2680487 is about 138.9114043024.

The spelling of 2680487 in words is "two million, six hundred eighty thousand, four hundred eighty-seven".

Divisors: 1 73 503 5329 36719 2680487