Search a number
-
+
272444 = 2268111
BaseRepresentation
bin1000010100000111100
3111211201112
41002200330
532204234
65501152
72213204
oct1024074
9454645
10272444
11176767
121117b8
1397013
1471404
1555ace
hex4283c

272444 has 6 divisors (see below), whose sum is σ = 476784. Its totient is φ = 136220.

The previous prime is 272423. The next prime is 272449. The reversal of 272444 is 444272.

272444 is a modest number, since divided by 444 gives 272 as remainder.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 272444.

It is not an unprimeable number, because it can be changed into a prime (272449) by changing a digit.

272444 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34052 + ... + 34059.

It is an arithmetic number, because the mean of its divisors is an integer number (79464).

2272444 is an apocalyptic number.

It is an amenable number.

272444 is a deficient number, since it is larger than the sum of its proper divisors (204340).

272444 is a wasteful number, since it uses less digits than its factorization.

272444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68115 (or 68113 counting only the distinct ones).

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

The square root of 272444 is about 521.9616844175. The cubic root of 272444 is about 64.8274714593.

The spelling of 272444 in words is "two hundred seventy-two thousand, four hundred forty-four", and thus it is an iban number.

Divisors: 1 2 4 68111 136222 272444