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2683885 = 5536777
BaseRepresentation
bin1010001111001111101101
312001100121011
422033033231
51141341020
6133305221
731545511
oct12171755
95040534
102683885
111573496
12a95211
1372c7c9
144dc141
1538035a
hex28f3ed

2683885 has 4 divisors (see below), whose sum is σ = 3220668. Its totient is φ = 2147104.

The previous prime is 2683861. The next prime is 2683897. The reversal of 2683885 is 5883862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1012036 + 1671849 = 1006^2 + 1293^2 .

It is a cyclic number.

It is not a de Polignac number, because 2683885 - 27 = 2683757 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

2683885 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268384 + ... + 268393.

It is an arithmetic number, because the mean of its divisors is an integer number (805167).

22683885 is an apocalyptic number.

It is an amenable number.

2683885 is a deficient number, since it is larger than the sum of its proper divisors (536783).

2683885 is an equidigital number, since it uses as much as digits as its factorization.

2683885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536782.

The product of its digits is 92160, while the sum is 40.

The square root of 2683885 is about 1638.2566953930. The cubic root of 2683885 is about 138.9700779234.

The spelling of 2683885 in words is "two million, six hundred eighty-three thousand, eight hundred eighty-five".

Divisors: 1 5 536777 2683885