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2251241 = 29149521
BaseRepresentation
bin1000100101100111101001
311020101010022
420211213221
51034014431
6120130225
725064246
oct10454751
94211108
102251241
1112a8433
12906975
1360a8c5
144285cd
152e707b
hex2259e9

2251241 has 8 divisors (see below), whose sum is σ = 2349000. Its totient is φ = 2154880.

The previous prime is 2251229. The next prime is 2251279. The reversal of 2251241 is 1421522.

2251241 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 13225 + 2238016 = 115^2 + 1496^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2251241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251201) 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, 4061 + ... + 4581.

It is an arithmetic number, because the mean of its divisors is an integer number (293625).

22251241 is an apocalyptic number.

It is an amenable number.

2251241 is a deficient number, since it is larger than the sum of its proper divisors (97759).

2251241 is a wasteful number, since it uses less digits than its factorization.

2251241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699.

The product of its digits is 160, while the sum is 17.

The square root of 2251241 is about 1500.4136096424. The cubic root of 2251241 is about 131.0611566905.

Adding to 2251241 its reverse (1421522), we get a palindrome (3672763).

The spelling of 2251241 in words is "two million, two hundred fifty-one thousand, two hundred forty-one".

Divisors: 1 29 149 521 4321 15109 77629 2251241