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2086885 = 5417377
BaseRepresentation
bin111111101011111100101
310221000200001
413331133211
51013240020
6112421301
723511133
oct7753745
93830601
102086885
1111a59a9
12847831
13580b58
143c4753
152b350a
hex1fd7e5

2086885 has 4 divisors (see below), whose sum is σ = 2504268. Its totient is φ = 1669504.

The previous prime is 2086879. The next prime is 2086901. The reversal of 2086885 is 5886802.

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 613089 + 1473796 = 783^2 + 1214^2 .

It is a cyclic number.

It is not a de Polignac number, because 2086885 - 25 = 2086853 is a prime.

It is an Ulam number.

It is a Duffinian number.

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, 208684 + ... + 208693.

It is an arithmetic number, because the mean of its divisors is an integer number (626067).

22086885 is an apocalyptic number.

It is an amenable number.

2086885 is a deficient number, since it is larger than the sum of its proper divisors (417383).

2086885 is an equidigital number, since it uses as much as digits as its factorization.

2086885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417382.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 2086885 is about 1444.6054824761. The cubic root of 2086885 is about 127.7907755454.

The spelling of 2086885 in words is "two million, eighty-six thousand, eight hundred eighty-five".

Divisors: 1 5 417377 2086885