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2266241 = 6173673
BaseRepresentation
bin1000101001010010000001
311021010200212
420221102001
51040004431
6120323505
725156055
oct10512201
94233625
102266241
11130872a
12913595
13614693
1442dc65
152eb72b
hex229481

2266241 has 4 divisors (see below), whose sum is σ = 2270532. Its totient is φ = 2261952.

The previous prime is 2266237. The next prime is 2266247. The reversal of 2266241 is 1426622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1426622 = 2713311.

It can be written as a sum of positive squares in 2 ways, for example, as 102400 + 2163841 = 320^2 + 1471^2 .

It is a cyclic number.

It is not a de Polignac number, because 2266241 - 22 = 2266237 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 211 + 213 + 66 + 66 + 221 + 48 + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220 + ... + 2453.

It is an arithmetic number, because the mean of its divisors is an integer number (567633).

22266241 is an apocalyptic number.

It is an amenable number.

2266241 is a deficient number, since it is larger than the sum of its proper divisors (4291).

2266241 is an equidigital number, since it uses as much as digits as its factorization.

2266241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290.

The product of its digits is 1152, while the sum is 23.

The square root of 2266241 is about 1505.4039325045. The cubic root of 2266241 is about 131.3515990353.

The spelling of 2266241 in words is "two million, two hundred sixty-six thousand, two hundred forty-one".

Divisors: 1 617 3673 2266241