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2272509344 = 25731132621
BaseRepresentation
bin1000011101110011…
…1011110110100000
312212101010102202202
42013130323312200
514123230244334
61013255432332
7110213003450
oct20734736640
95771112682
102272509344
11a668549a6
125350856a8
132a2a6b3b1
14177b53d60
15d479117e
hex8773bda0

2272509344 has 48 divisors (see below), whose sum is σ = 5129744256. Its totient is φ = 970771200.

The previous prime is 2272509341. The next prime is 2272509367. The reversal of 2272509344 is 4439052722.

It is a happy number.

It is a super-3 number, since 3×22725093443 (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2272509298 and 2272509307.

It is not an unprimeable number, because it can be changed into a prime (2272509341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53354 + ... + 85974.

It is an arithmetic number, because the mean of its divisors is an integer number (106869672).

Almost surely, 22272509344 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 2272509344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2564872128).

2272509344 is an abundant number, since it is smaller than the sum of its proper divisors (2857234912).

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

2272509344 is a wasteful number, since it uses less digits than its factorization.

2272509344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32949 (or 32941 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 2272509344 is about 47670.8437517105. The cubic root of 2272509344 is about 1314.7259220513.

The spelling of 2272509344 in words is "two billion, two hundred seventy-two million, five hundred nine thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 311 622 1244 2177 2488 4354 4976 8708 9952 17416 32621 34832 65242 69664 130484 228347 260968 456694 521936 913388 1043872 1826776 3653552 7307104 10145131 20290262 40580524 71015917 81161048 142031834 162322096 284063668 324644192 568127336 1136254672 2272509344