Base | Representation |
---|---|
bin | 10001001011011… |
… | …000001001111110 |
3 | 202002021211111020 |
4 | 101023120021332 |
5 | 1042234221243 |
6 | 44333005010 |
7 | 10066422144 |
oct | 2113301176 |
9 | 662254436 |
10 | 288195198 |
11 | 138751355 |
12 | 80623766 |
13 | 47926905 |
14 | 2a3bd594 |
15 | 1a47b283 |
hex | 112d827e |
288195198 has 32 divisors (see below), whose sum is σ = 602553600. Its totient is φ = 91719936.
The previous prime is 288195197. The next prime is 288195209. The reversal of 288195198 is 891591882.
288195198 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 288195198.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (288195197) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89358 + ... + 92526.
It is an arithmetic number, because the mean of its divisors is an integer number (18829800).
Almost surely, 2288195198 is an apocalyptic number.
288195198 is an abundant number, since it is smaller than the sum of its proper divisors (314358402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
288195198 is a wasteful number, since it uses less digits than its factorization.
288195198 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3856.
The product of its digits is 414720, while the sum is 51.
The square root of 288195198 is about 16976.3128505574. The cubic root of 288195198 is about 660.5346127501.
The spelling of 288195198 in words is "two hundred eighty-eight million, one hundred ninety-five thousand, one hundred ninety-eight".
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