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7116885 = 325891777
BaseRepresentation
bin11011001001100001010101
3111101120112100
4123021201111
53310220020
6412312313
7114330636
oct33114125
914346470
107116885
114021026
122472699
131622499
14d3388d
15958a90
hex6c9855

7116885 has 24 divisors (see below), whose sum is σ = 12481560. Its totient is φ = 3750912.

The previous prime is 7116877. The next prime is 7116899. The reversal of 7116885 is 5886117.

It can be written as a sum of positive squares in 4 ways, for example, as 178929 + 6937956 = 423^2 + 2634^2 .

It is not a de Polignac number, because 7116885 - 23 = 7116877 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3117 + ... + 4893.

It is an arithmetic number, because the mean of its divisors is an integer number (520065).

Almost surely, 27116885 is an apocalyptic number.

It is an amenable number.

7116885 is a deficient number, since it is larger than the sum of its proper divisors (5364675).

7116885 is a wasteful number, since it uses less digits than its factorization.

7116885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877 (or 1874 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 7116885 is about 2667.7490511665. The cubic root of 7116885 is about 192.3519748075.

It can be divided in two parts, 71168 and 85, that added together give a triangular number (71253 = T377).

The spelling of 7116885 in words is "seven million, one hundred sixteen thousand, eight hundred eighty-five".

Divisors: 1 3 5 9 15 45 89 267 445 801 1335 1777 4005 5331 8885 15993 26655 79965 158153 474459 790765 1423377 2372295 7116885