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272224 = 2547181
BaseRepresentation
bin1000010011101100000
3111211102101
41002131200
532202344
65500144
72212441
oct1023540
9454371
10272224
11176587
12111654
1396ba4
14712c8
15559d4
hex42760

272224 has 24 divisors (see below), whose sum is σ = 550368. Its totient is φ = 132480.

The previous prime is 272203. The next prime is 272227. The reversal of 272224 is 422272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272227) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1414 + ... + 1594.

It is an arithmetic number, because the mean of its divisors is an integer number (22932).

2272224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275184).

272224 is an abundant number, since it is smaller than the sum of its proper divisors (278144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

272224 is a wasteful number, since it uses less digits than its factorization.

272224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 230 counting only the distinct ones).

The product of its digits is 448, while the sum is 19.

The square root of 272224 is about 521.7508984180. The cubic root of 272224 is about 64.8100172493.

Adding to 272224 its reverse (422272), we get a palindrome (694496).

It can be divided in two parts, 272 and 224, that added together give a triangular number (496 = T31).

The spelling of 272224 in words is "two hundred seventy-two thousand, two hundred twenty-four", and thus it is an iban number.

Divisors: 1 2 4 8 16 32 47 94 181 188 362 376 724 752 1448 1504 2896 5792 8507 17014 34028 68056 136112 272224