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244405430 = 25177120249
BaseRepresentation
bin11101001000101…
…01010010110110
3122000220002012222
432210111102312
51000031433210
640130242342
76025261163
oct1644252266
9560802188
10244405430
11115a62465
1269a263b2
133b8340c9
142466106a
15166cb655
hexe9154b6

244405430 has 32 divisors (see below), whose sum is σ = 472392000. Its totient is φ = 90711040.

The previous prime is 244405391. The next prime is 244405433. The reversal of 244405430 is 34504442.

244405430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 244405430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244405433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1946 + ... + 22194.

It is an arithmetic number, because the mean of its divisors is an integer number (14762250).

Almost surely, 2244405430 is an apocalyptic number.

244405430 is a deficient number, since it is larger than the sum of its proper divisors (227986570).

244405430 is a wasteful number, since it uses less digits than its factorization.

244405430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20344.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 244405430 is about 15633.4714634978. The cubic root of 244405430 is about 625.2258852848.

Adding to 244405430 its reverse (34504442), we get a palindrome (278909872).

The spelling of 244405430 in words is "two hundred forty-four million, four hundred five thousand, four hundred thirty".

Divisors: 1 2 5 10 17 34 71 85 142 170 355 710 1207 2414 6035 12070 20249 40498 101245 202490 344233 688466 1437679 1721165 2875358 3442330 7188395 14376790 24440543 48881086 122202715 244405430