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2256241 = 13197881
BaseRepresentation
bin1000100110110101110001
311020121222111
420212311301
51034144431
6120205321
725114651
oct10466561
94217874
102256241
111301169
12909841
1360cc70
1442a361
152e87b1
hex226d71

2256241 has 8 divisors (see below), whose sum is σ = 2444904. Its totient is φ = 2069760.

The previous prime is 2256227. The next prime is 2256251. The reversal of 2256241 is 1426522.

2256241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 254016 + 2002225 = 504^2 + 1415^2 .

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 2256241 - 219 = 1731953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2256251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2121 + ... + 3001.

It is an arithmetic number, because the mean of its divisors is an integer number (305613).

22256241 is an apocalyptic number.

It is an amenable number.

2256241 is a deficient number, since it is larger than the sum of its proper divisors (188663).

2256241 is a wasteful number, since it uses less digits than its factorization.

2256241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091.

The product of its digits is 960, while the sum is 22.

The square root of 2256241 is about 1502.0788927350. The cubic root of 2256241 is about 131.1581137669.

It can be divided in two parts, 225624 and 1, that added together give a square (225625 = 4752).

The spelling of 2256241 in words is "two million, two hundred fifty-six thousand, two hundred forty-one".

Divisors: 1 13 197 881 2561 11453 173557 2256241