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2257241 = 7322463
BaseRepresentation
bin1000100111000101011001
311020200100112
420213011121
51034212431
6120214105
725120610
oct10470531
94220315
102257241
111301998
1290a335
1361055c
1442a877
152e8c2b
hex227159

2257241 has 4 divisors (see below), whose sum is σ = 2579712. Its totient is φ = 1934772.

The previous prime is 2257237. The next prime is 2257247. The reversal of 2257241 is 1427522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2257241 - 22 = 2257237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2257247) 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, 161225 + ... + 161238.

It is an arithmetic number, because the mean of its divisors is an integer number (644928).

22257241 is an apocalyptic number.

It is an amenable number.

2257241 is a deficient number, since it is larger than the sum of its proper divisors (322471).

2257241 is an equidigital number, since it uses as much as digits as its factorization.

2257241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322470.

The product of its digits is 1120, while the sum is 23.

The square root of 2257241 is about 1502.4117278562. The cubic root of 2257241 is about 131.1774879888.

The spelling of 2257241 in words is "two million, two hundred fifty-seven thousand, two hundred forty-one".

Divisors: 1 7 322463 2257241