Search a number
-
+
448985323430 = 257311032008793
BaseRepresentation
bin1101000100010011001…
…11000101011110100110
31120220220120002122000222
412202021213011132212
524324010220322210
6542132213404342
744303163165020
oct6421147053646
91526816078028
10448985323430
11163460567976
12730243396b2
1333454102817
1417a33c45010
15ba2c15d655
hex68899c57a6

448985323430 has 64 divisors (see below), whose sum is σ = 962678366208. Its totient is φ = 147525684480.

The previous prime is 448985323429. The next prime is 448985323433. The reversal of 448985323430 is 34323589844.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448985323433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 780887 + ... + 1227906.

It is an arithmetic number, because the mean of its divisors is an integer number (15041849472).

Almost surely, 2448985323430 is an apocalyptic number.

448985323430 is an abundant number, since it is smaller than the sum of its proper divisors (513693042778).

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

448985323430 is a wasteful number, since it uses less digits than its factorization.

448985323430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008941.

The product of its (nonzero) digits is 9953280, while the sum is 53.

The spelling of 448985323430 in words is "four hundred forty-eight billion, nine hundred eighty-five million, three hundred twenty-three thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 31 35 62 70 103 155 206 217 310 434 515 721 1030 1085 1442 2170 3193 3605 6386 7210 15965 22351 31930 44702 111755 223510 2008793 4017586 10043965 14061551 20087930 28123102 62272583 70307755 124545166 140615510 206905679 311362915 413811358 435908081 622725830 871816162 1034528395 1448339753 2069056790 2179540405 2896679506 4359080810 6414076049 7241698765 12828152098 14483397530 32070380245 44898532343 64140760490 89797064686 224492661715 448985323430