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2268523 = 13031741
BaseRepresentation
bin1000101001110101101011
311021020211101
420221311223
51040043043
6120342231
725165525
oct10516553
94236741
102268523
11130a414
12914977
1361572a
14430a15
152ec24d
hex229d6b

2268523 has 4 divisors (see below), whose sum is σ = 2271568. Its totient is φ = 2265480.

The previous prime is 2268517. The next prime is 2268547. The reversal of 2268523 is 3258622.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2268523 - 213 = 2260331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2268491 and 2268500.

It is not an unprimeable number, because it can be changed into a prime (2268503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433 + ... + 2173.

It is an arithmetic number, because the mean of its divisors is an integer number (567892).

22268523 is an apocalyptic number.

2268523 is a deficient number, since it is larger than the sum of its proper divisors (3045).

2268523 is a wasteful number, since it uses less digits than its factorization.

2268523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044.

The product of its digits is 5760, while the sum is 28.

The square root of 2268523 is about 1506.1616779085. The cubic root of 2268523 is about 131.3956725761.

Subtracting 2268523 from its reverse (3258622), we obtain a palindrome (990099).

The spelling of 2268523 in words is "two million, two hundred sixty-eight thousand, five hundred twenty-three".

Divisors: 1 1303 1741 2268523