Base | Representation |
---|---|
bin | 10001001101111… |
… | …110000111111000 |
3 | 202010120101000002 |
4 | 101031332013320 |
5 | 1042423000000 |
6 | 44355332132 |
7 | 10105253111 |
oct | 2115760770 |
9 | 663511002 |
10 | 288875000 |
11 | 139076077 |
12 | 808b1048 |
13 | 47b0416b |
14 | 2a519208 |
15 | 1a5628d5 |
hex | 1137e1f8 |
288875000 has 56 divisors (see below), whose sum is σ = 677335080. Its totient is φ = 115500000.
The previous prime is 288874991. The next prime is 288875011. The reversal of 288875000 is 578882.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 123845 + ... + 126155.
Almost surely, 2288875000 is an apocalyptic number.
288875000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 288875000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338667540).
288875000 is an abundant number, since it is smaller than the sum of its proper divisors (388460080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
288875000 is an frugal number, since it uses more digits than its factorization.
288875000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2347 (or 2318 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 38.
The square root of 288875000 is about 16996.3231317835. The cubic root of 288875000 is about 661.0535667469.
The spelling of 288875000 in words is "two hundred eighty-eight million, eight hundred seventy-five thousand".
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