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2893887 = 3511909
BaseRepresentation
bin1011000010100000111111
312110000200000
423002200333
51220101022
6142005343
733411663
oct13024077
95400600
102893887
1116a7247
12b76853
137a4279
145548a3
153c26ac
hex2c283f

2893887 has 12 divisors (see below), whose sum is σ = 4335240. Its totient is φ = 1929096.

The previous prime is 2893879. The next prime is 2893897. The reversal of 2893887 is 7883982.

2893887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2893887 - 23 = 2893879 is a prime.

2893887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2893867) 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 11 ways as a sum of consecutive naturals, for example, 5712 + ... + 6197.

It is an arithmetic number, because the mean of its divisors is an integer number (361270).

22893887 is an apocalyptic number.

2893887 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2893887 is a deficient number, since it is larger than the sum of its proper divisors (1441353).

2893887 is an equidigital number, since it uses as much as digits as its factorization.

2893887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11924 (or 11912 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 2893887 is about 1701.1428511445. The cubic root of 2893887 is about 142.5040442066.

The spelling of 2893887 in words is "two million, eight hundred ninety-three thousand, eight hundred eighty-seven".

Divisors: 1 3 9 27 81 243 11909 35727 107181 321543 964629 2893887