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4430244 = 2237134057
BaseRepresentation
bin10000111001100110100100
322100002011010
4100321212210
52113231434
6234542220
752441110
oct20714644
98302133
104430244
112556565
121597970
13bc1660
14834740
155c79e9
hex4399a4

4430244 has 48 divisors (see below), whose sum is σ = 12725888. Its totient is φ = 1168128.

The previous prime is 4430227. The next prime is 4430263. The reversal of 4430244 is 4420344.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4430244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 937 + ... + 3120.

Almost surely, 24430244 is an apocalyptic number.

It is an amenable number.

4430244 is an abundant number, since it is smaller than the sum of its proper divisors (8295644).

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

4430244 is a wasteful number, since it uses less digits than its factorization.

4430244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4084 (or 4082 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 4430244 is about 2104.8144811360. The cubic root of 4430244 is about 164.2388449249.

Adding to 4430244 its reverse (4420344), we get a palindrome (8850588).

The spelling of 4430244 in words is "four million, four hundred thirty thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 182 273 364 546 1092 4057 8114 12171 16228 24342 28399 48684 52741 56798 85197 105482 113596 158223 170394 210964 316446 340788 369187 632892 738374 1107561 1476748 2215122 4430244