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2040085 = 51724001
BaseRepresentation
bin111110010000100010101
310211122110201
413302010111
51010240320
6111420501
723224525
oct7620425
93748421
102040085
111173823
12824731
13565768
143b1685
152a470a
hex1f2115

2040085 has 8 divisors (see below), whose sum is σ = 2592216. Its totient is φ = 1536000.

The previous prime is 2040053. The next prime is 2040089. The reversal of 2040085 is 5800402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 239121 + 1800964 = 489^2 + 1342^2 .

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

It is not a de Polignac number, because 2040085 - 25 = 2040053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040089) 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, 11916 + ... + 12085.

It is an arithmetic number, because the mean of its divisors is an integer number (324027).

22040085 is an apocalyptic number.

It is an amenable number.

2040085 is a deficient number, since it is larger than the sum of its proper divisors (552131).

2040085 is a wasteful number, since it uses less digits than its factorization.

2040085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24023.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2040085 is about 1428.3154413504. The cubic root of 2040085 is about 126.8282755626.

Adding to 2040085 its reverse (5800402), we get a palindrome (7840487).

The spelling of 2040085 in words is "two million, forty thousand, eighty-five".

Divisors: 1 5 17 85 24001 120005 408017 2040085