Search a number
-
+
2085137 = 4150857
BaseRepresentation
bin111111101000100010001
310220221021022
413331010101
51013211022
6112405225
723503055
oct7750421
93827238
102085137
1111a465a
12846815
13580112
143c3c65
152b2c42
hex1fd111

2085137 has 4 divisors (see below), whose sum is σ = 2136036. Its totient is φ = 2034240.

The previous prime is 2085133. The next prime is 2085143. The reversal of 2085137 is 7315802.

It is a Cunningham number, because it is equal to 384+1.

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 99856 + 1985281 = 316^2 + 1409^2 .

It is a cyclic number.

It is not a de Polignac number, because 2085137 - 22 = 2085133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2085131) 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 3 ways as a sum of consecutive naturals, for example, 25388 + ... + 25469.

It is an arithmetic number, because the mean of its divisors is an integer number (534009).

22085137 is an apocalyptic number.

It is an amenable number.

2085137 is a deficient number, since it is larger than the sum of its proper divisors (50899).

2085137 is an equidigital number, since it uses as much as digits as its factorization.

2085137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50898.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 2085137 is about 1444.0003462603. Note that the first 3 decimals coincide. The cubic root of 2085137 is about 127.7550858815.

It can be divided in two parts, 2085 and 137, that added together give a palindrome (2222).

The spelling of 2085137 in words is "two million, eighty-five thousand, one hundred thirty-seven".

Divisors: 1 41 50857 2085137