Base | Representation |
---|---|
bin | 1000011110011101… |
… | …1110011110000101 |
3 | 12212120022211012212 |
4 | 2013213132132011 |
5 | 14124432210311 |
6 | 1013434553205 |
7 | 110245332521 |
oct | 20747363605 |
9 | 5776284185 |
10 | 2275272581 |
11 | a68371a6a |
12 | 535b98805 |
13 | 2a34c804a |
14 | 178272d81 |
15 | d4b39c8b |
hex | 879de785 |
2275272581 has 8 divisors (see below), whose sum is σ = 2287230624. Its totient is φ = 2263338000.
The previous prime is 2275272547. The next prime is 2275272589. The reversal of 2275272581 is 1852725722.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2275272581 is a prime.
It is a super-2 number, since 2×22752725812 = 10353730635700803122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2275272589) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208790 + ... + 219416.
It is an arithmetic number, because the mean of its divisors is an integer number (285903828).
Almost surely, 22275272581 is an apocalyptic number.
It is an amenable number.
2275272581 is a deficient number, since it is larger than the sum of its proper divisors (11958043).
2275272581 is a wasteful number, since it uses less digits than its factorization.
2275272581 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11731.
The product of its digits is 156800, while the sum is 41.
The square root of 2275272581 is about 47699.8174105520. The cubic root of 2275272581 is about 1315.2585825443.
The spelling of 2275272581 in words is "two billion, two hundred seventy-five million, two hundred seventy-two thousand, five hundred eighty-one".
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