Base | Representation |
---|---|
bin | 1000011101110100… |
… | …1101100001110110 |
3 | 12212101021010002110 |
4 | 2013131031201312 |
5 | 14123240104000 |
6 | 1013301151450 |
7 | 110213424525 |
oct | 20735154166 |
9 | 5771233073 |
10 | 2272581750 |
11 | a668a433a |
12 | 5350bb586 |
13 | 2a2a9533a |
14 | 177b724bc |
15 | d47a7850 |
hex | 8774d876 |
2272581750 has 64 divisors (see below), whose sum is σ = 5679797760. Its totient is φ = 605228000.
The previous prime is 2272581739. The next prime is 2272581763. The reversal of 2272581750 is 571852722.
It is a junction number, because it is equal to n+sod(n) for n = 2272581699 and 2272581708.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 771781 + ... + 774719.
It is an arithmetic number, because the mean of its divisors is an integer number (88746840).
Almost surely, 22272581750 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2272581750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2839898880).
2272581750 is an abundant number, since it is smaller than the sum of its proper divisors (3407216010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2272581750 is a wasteful number, since it uses less digits than its factorization.
2272581750 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3990 (or 3980 counting only the distinct ones).
The product of its (nonzero) digits is 78400, while the sum is 39.
The square root of 2272581750 is about 47671.6031826076. The cubic root of 2272581750 is about 1314.7398850351.
The spelling of 2272581750 in words is "two billion, two hundred seventy-two million, five hundred eighty-one thousand, seven hundred fifty".
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