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2040065 = 52411693
BaseRepresentation
bin111110010000100000001
310211122102222
413302010001
51010240230
6111420425
723224466
oct7620401
93748388
102040065
111173805
12824715
13565751
143b166d
152a46e5
hex1f2101

2040065 has 8 divisors (see below), whose sum is σ = 2459688. Its totient is φ = 1624320.

The previous prime is 2040053. The next prime is 2040089. The reversal of 2040065 is 5600402.

It can be written as a sum of positive squares in 4 ways, for example, as 300304 + 1739761 = 548^2 + 1319^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-2040065 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359 + ... + 2051.

It is an arithmetic number, because the mean of its divisors is an integer number (307461).

22040065 is an apocalyptic number.

It is an amenable number.

2040065 is a deficient number, since it is larger than the sum of its proper divisors (419623).

2040065 is a wasteful number, since it uses less digits than its factorization.

2040065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2040065 is about 1428.3084400787. The cubic root of 2040065 is about 126.8278611070.

Adding to 2040065 its reverse (5600402), we get a palindrome (7640467).

The spelling of 2040065 in words is "two million, forty thousand, sixty-five".

Divisors: 1 5 241 1205 1693 8465 408013 2040065