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2022065 = 51723789
BaseRepresentation
bin111101101101010110001
310210201202022
413231222301
51004201230
6111201225
723121143
oct7555261
93721668
102022065
111161231
12816215
1355a4b6
143a8c93
1529e1e5
hex1edab1

2022065 has 8 divisors (see below), whose sum is σ = 2569320. Its totient is φ = 1522432.

The previous prime is 2022049. The next prime is 2022067. The reversal of 2022065 is 5602202.

It can be written as a sum of positive squares in 4 ways, for example, as 169744 + 1852321 = 412^2 + 1361^2 .

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 2022065 - 24 = 2022049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (2022067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11810 + ... + 11979.

It is an arithmetic number, because the mean of its divisors is an integer number (321165).

22022065 is an apocalyptic number.

It is an amenable number.

2022065 is a deficient number, since it is larger than the sum of its proper divisors (547255).

2022065 is a wasteful number, since it uses less digits than its factorization.

2022065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23811.

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

The square root of 2022065 is about 1421.9933192529. The cubic root of 2022065 is about 126.4537474050.

Adding to 2022065 its reverse (5602202), we get a palindrome (7624267).

The spelling of 2022065 in words is "two million, twenty-two thousand, sixty-five".

Divisors: 1 5 17 85 23789 118945 404413 2022065