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2055717 = 32239931
BaseRepresentation
bin111110101111000100101
310212102220200
413311320211
51011240332
6112021113
723321226
oct7657045
93772820
102055717
111184544
12831799
1356c901
143b724d
152a917c
hex1f5e25

2055717 has 12 divisors (see below), whose sum is σ = 3098784. Its totient is φ = 1310760.

The previous prime is 2055709. The next prime is 2055719. The reversal of 2055717 is 7175502.

It is not a de Polignac number, because 2055717 - 23 = 2055709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4759 + ... + 5172.

It is an arithmetic number, because the mean of its divisors is an integer number (258232).

22055717 is an apocalyptic number.

It is an amenable number.

2055717 is a deficient number, since it is larger than the sum of its proper divisors (1043067).

2055717 is a wasteful number, since it uses less digits than its factorization.

2055717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9960 (or 9957 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 2055717 is about 1433.7771793413. Note that the first 3 decimals coincide. The cubic root of 2055717 is about 127.1513891029.

It can be divided in two parts, 2055 and 717, that added together give a palindrome (2772).

The spelling of 2055717 in words is "two million, fifty-five thousand, seven hundred seventeen".

Divisors: 1 3 9 23 69 207 9931 29793 89379 228413 685239 2055717