Search a number
-
+
2085169 = 17173709
BaseRepresentation
bin111111101000100110001
310220221022111
413331010301
51013211134
6112405321
723503132
oct7750461
93827274
102085169
1111a4689
12846841
13580138
143c3c89
152b2c64
hex1fd131

2085169 has 8 divisors (see below), whose sum is σ = 2223720. Its totient is φ = 1948416.

The previous prime is 2085151. The next prime is 2085191. The reversal of 2085169 is 9615802.

It can be written as a sum of positive squares in 4 ways, for example, as 616225 + 1468944 = 785^2 + 1212^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2085169 - 211 = 2083121 is a prime.

It is a super-2 number, since 2×20851692 = 8695859517122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2085169.

It is not an unprimeable number, because it can be changed into a prime (2085469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2587 + ... + 3295.

It is an arithmetic number, because the mean of its divisors is an integer number (277965).

22085169 is an apocalyptic number.

It is an amenable number.

2085169 is a deficient number, since it is larger than the sum of its proper divisors (138551).

2085169 is a wasteful number, since it uses less digits than its factorization.

2085169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 2085169 is about 1444.0114265476. The cubic root of 2085169 is about 127.7557394184.

The spelling of 2085169 in words is "two million, eighty-five thousand, one hundred sixty-nine".

Divisors: 1 17 173 709 2941 12053 122657 2085169