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224532 = 2236711
BaseRepresentation
bin110110110100010100
3102102000000
4312310110
524141112
64451300
71623420
oct666424
9372000
10224532
11143770
12a9b30
137b279
145bb80
15467dc
hex36d14

224532 has 84 divisors (see below), whose sum is σ = 734496. Its totient is φ = 58320.

The previous prime is 224527. The next prime is 224563. The reversal of 224532 is 235422.

224532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

Its product of digits (480) is a multiple of the sum of its prime factors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 20407 + ... + 20417.

It is an arithmetic number, because the mean of its divisors is an integer number (8744).

224532 is a Friedman number, since it can be written as 42*22*3^5, using all its digits and the basic arithmetic operations.

2224532 is an apocalyptic number.

224532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367248).

224532 is an abundant number, since it is smaller than the sum of its proper divisors (509964).

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

224532 is a wasteful number, since it uses less digits than its factorization.

224532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40 (or 23 counting only the distinct ones).

The product of its digits is 480, while the sum is 18.

The square root of 224532 is about 473.8480769192. The cubic root of 224532 is about 60.7798207502.

Adding to 224532 its reverse (235422), we get a palindrome (459954).

It can be divided in two parts, 22 and 4532, that added together give a palindrome (4554).

The spelling of 224532 in words is "two hundred twenty-four thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 33 36 42 44 54 63 66 77 81 84 99 108 126 132 154 162 189 198 231 243 252 297 308 324 378 396 462 486 567 594 693 729 756 891 924 972 1134 1188 1386 1458 1701 1782 2079 2268 2673 2772 2916 3402 3564 4158 5103 5346 6237 6804 8019 8316 10206 10692 12474 16038 18711 20412 24948 32076 37422 56133 74844 112266 224532