Search a number
-
+
2241257 = 7131567
BaseRepresentation
bin1000100011001011101001
311012212102112
420203023221
51033210012
6120012105
725023164
oct10431351
94185375
102241257
1112a0987
12901035
136061b5
14424adb
152e4122
hex2232e9

2241257 has 4 divisors (see below), whose sum is σ = 2272896. Its totient is φ = 2209620.

The previous prime is 2241251. The next prime is 2241271. The reversal of 2241257 is 7521422.

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 a cyclic number.

It is not a de Polignac number, because 2241257 - 26 = 2241193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2241251) 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, 15713 + ... + 15854.

It is an arithmetic number, because the mean of its divisors is an integer number (568224).

22241257 is an apocalyptic number.

It is an amenable number.

2241257 is a deficient number, since it is larger than the sum of its proper divisors (31639).

2241257 is an equidigital number, since it uses as much as digits as its factorization.

2241257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31638.

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

The square root of 2241257 is about 1497.0828300398. The cubic root of 2241257 is about 130.8671224163.

Adding to 2241257 its reverse (7521422), we get a palindrome (9762679).

The spelling of 2241257 in words is "two million, two hundred forty-one thousand, two hundred fifty-seven".

Divisors: 1 71 31567 2241257