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4503944872 = 237437392531
BaseRepresentation
bin1000011000111010…
…01011111010101000
3102121212222002212001
410030131023322220
533211002213442
62022531100344
7216416620420
oct41435137250
912555862761
104503944872
111a013a5499
12a584416b4
1356a15824b
1430a255480
151b561c2b7
hex10c74bea8

4503944872 has 64 divisors (see below), whose sum is σ = 9893030400. Its totient is φ = 1882077120.

The previous prime is 4503944857. The next prime is 4503944873. The reversal of 4503944872 is 2784493054.

It is a happy number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4503944873) 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, 1778247 + ... + 1780777.

It is an arithmetic number, because the mean of its divisors is an integer number (154578600).

Almost surely, 24503944872 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 4503944872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4946515200).

4503944872 is an abundant number, since it is smaller than the sum of its proper divisors (5389085528).

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

4503944872 is a wasteful number, since it uses less digits than its factorization.

4503944872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326 (or 3322 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The square root of 4503944872 is about 67111.4362236422. The cubic root of 4503944872 is about 1651.4459161485.

The spelling of 4503944872 in words is "four billion, five hundred three million, nine hundred forty-four thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 43 56 86 172 301 344 602 739 1204 1478 2408 2531 2956 5062 5173 5912 10124 10346 17717 20248 20692 31777 35434 41384 63554 70868 108833 127108 141736 217666 222439 254216 435332 444878 761831 870664 889756 1523662 1779512 1870409 3047324 3740818 6094648 7481636 13092863 14963272 26185726 52371452 80427587 104742904 160855174 321710348 562993109 643420696 1125986218 2251972436 4503944872