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2064223 = 72103409
BaseRepresentation
bin111110111111101011111
310212212120201
413313331133
51012023343
6112124331
723355100
oct7677537
93785521
102064223
11118a977
128366a7
13573745
143ba3a7
152ab94d
hex1f7f5f

2064223 has 12 divisors (see below), whose sum is σ = 2430480. Its totient is φ = 1747872.

The previous prime is 2064199. The next prime is 2064229. The reversal of 2064223 is 3224602.

It is a de Polignac number, because none of the positive numbers 2k-2064223 is a prime.

It is a super-2 number, since 2×20642232 = 8522033187458, 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 2064223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4843 + ... + 5251.

It is an arithmetic number, because the mean of its divisors is an integer number (202540).

22064223 is an apocalyptic number.

2064223 is a deficient number, since it is larger than the sum of its proper divisors (366257).

2064223 is a wasteful number, since it uses less digits than its factorization.

2064223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2064223 is about 1436.7404080070. The cubic root of 2064223 is about 127.3265204424.

Adding to 2064223 its reverse (3224602), we get a palindrome (5288825).

The spelling of 2064223 in words is "two million, sixty-four thousand, two hundred twenty-three".

Divisors: 1 7 49 103 409 721 2863 5047 20041 42127 294889 2064223