Search a number
-
+
244427 = 614007
BaseRepresentation
bin111011101011001011
3110102021212
4323223023
530310202
65123335
72035421
oct735313
9412255
10244427
11157707
12b954b
1387341
1465111
154c652
hex3bacb

244427 has 4 divisors (see below), whose sum is σ = 248496. Its totient is φ = 240360.

The previous prime is 244423. The next prime is 244429. The reversal of 244427 is 724442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724442 = 2362221.

It is a cyclic number.

It is not a de Polignac number, because 244427 - 22 = 244423 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 244427.

It is not an unprimeable number, because it can be changed into a prime (244423) 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, 1943 + ... + 2064.

It is an arithmetic number, because the mean of its divisors is an integer number (62124).

2244427 is an apocalyptic number.

244427 is a deficient number, since it is larger than the sum of its proper divisors (4069).

244427 is an equidigital number, since it uses as much as digits as its factorization.

244427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068.

The product of its digits is 1792, while the sum is 23.

The square root of 244427 is about 494.3955905952. The cubic root of 244427 is about 62.5244277846.

Adding to 244427 its reverse (724442), we get a palindrome (968869).

The spelling of 244427 in words is "two hundred forty-four thousand, four hundred twenty-seven", and thus it is an iban number.

Divisors: 1 61 4007 244427