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244644 = 223192937
BaseRepresentation
bin111011101110100100
3110102120220
4323232210
530312034
65124340
72036151
oct735644
9412526
10244644
11157894
12b96b0
138747a
1465228
154c749
hex3bba4

244644 has 48 divisors (see below), whose sum is σ = 638400. Its totient is φ = 72576.

The previous prime is 244639. The next prime is 244667. The reversal of 244644 is 446442.

244644 = T96 + T97 + ... + T132.

244644 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

244644 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 (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6594 + ... + 6630.

It is an arithmetic number, because the mean of its divisors is an integer number (13300).

2244644 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 244644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319200).

244644 is an abundant number, since it is smaller than the sum of its proper divisors (393756).

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

244644 is a wasteful number, since it uses less digits than its factorization.

244644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 90 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 244644 is about 494.6150017943. The cubic root of 244644 is about 62.5429251788.

It can be divided in two parts, 244 and 644, that added together give a palindrome (888).

The spelling of 244644 in words is "two hundred forty-four thousand, six hundred forty-four".

Divisors: 1 2 3 4 6 12 19 29 37 38 57 58 74 76 87 111 114 116 148 174 222 228 348 444 551 703 1073 1102 1406 1653 2109 2146 2204 2812 3219 3306 4218 4292 6438 6612 8436 12876 20387 40774 61161 81548 122322 244644