Base | Representation |
---|---|
bin | 10001001011000… |
… | …100010001100001 |
3 | 202002010200210001 |
4 | 101023010101201 |
5 | 1042224120021 |
6 | 44331140001 |
7 | 10065632545 |
oct | 2113042141 |
9 | 662120701 |
10 | 288113761 |
11 | 1386a6151 |
12 | 805a4601 |
13 | 478c8820 |
14 | 2a39ba25 |
15 | 1a462091 |
hex | 112c4461 |
288113761 has 8 divisors (see below), whose sum is σ = 310534784. Its totient is φ = 265729680.
The previous prime is 288113743. The next prime is 288113767. The reversal of 288113761 is 167311882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 288113761 - 27 = 288113633 is a prime.
It is a super-4 number, since 4×2881137614 (a number of 35 digits) contains 4444 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 288113761.
It is not an unprimeable number, because it can be changed into a prime (288113767) 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, 8200 + ... + 25366.
It is an arithmetic number, because the mean of its divisors is an integer number (38816848).
Almost surely, 2288113761 is an apocalyptic number.
It is an amenable number.
288113761 is a deficient number, since it is larger than the sum of its proper divisors (22421023).
288113761 is a wasteful number, since it uses less digits than its factorization.
288113761 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18471.
The product of its digits is 16128, while the sum is 37.
The square root of 288113761 is about 16973.9141331633. The cubic root of 288113761 is about 660.4723898479.
The spelling of 288113761 in words is "two hundred eighty-eight million, one hundred thirteen thousand, seven hundred sixty-one".
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