Base | Representation |
---|---|
bin | 10001001011001… |
… | …101100111011100 |
3 | 202002012122021100 |
4 | 101023031213130 |
5 | 1042231331103 |
6 | 44332033100 |
7 | 10066152243 |
oct | 2113154734 |
9 | 662178240 |
10 | 288152028 |
11 | 13872197a |
12 | 80602790 |
13 | 47910078 |
14 | 2a3ab95a |
15 | 1a46d5a3 |
hex | 112cd9dc |
288152028 has 18 divisors (see below), whose sum is σ = 728384384. Its totient is φ = 96050664.
The previous prime is 288152021. The next prime is 288152063. The reversal of 288152028 is 820251882.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 8004223 = 288152028 / (2 + 8 + 8 + 1 + 5 + 2 + 0 + 2 + 8).
It is a junction number, because it is equal to n+sod(n) for n = 288151983 and 288152001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (288152021) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4002076 + ... + 4002147.
Almost surely, 2288152028 is an apocalyptic number.
It is an amenable number.
288152028 is an abundant number, since it is smaller than the sum of its proper divisors (440232356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
288152028 is a wasteful number, since it uses less digits than its factorization.
288152028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8004233 (or 8004228 counting only the distinct ones).
The product of its (nonzero) digits is 20480, while the sum is 36.
The square root of 288152028 is about 16975.0413254283. The cubic root of 288152028 is about 660.5016296616.
The spelling of 288152028 in words is "two hundred eighty-eight million, one hundred fifty-two thousand, twenty-eight".
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