Base | Representation |
---|---|
bin | 10111111111011… |
… | …11010100101000 |
3 | 112000200222110101 |
4 | 23333233110220 |
5 | 403010231110 |
6 | 31545355144 |
7 | 4662444556 |
oct | 1377572450 |
9 | 460628411 |
10 | 201258280 |
11 | a3672363 |
12 | 57498ab4 |
13 | 32907c52 |
14 | 1ca2cbd6 |
15 | 12a0713a |
hex | bfef528 |
201258280 has 64 divisors (see below), whose sum is σ = 474802560. Its totient is φ = 76631808.
The previous prime is 201258271. The next prime is 201258329. The reversal of 201258280 is 82852102.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259974 + ... + 260746.
It is an arithmetic number, because the mean of its divisors is an integer number (7418790).
Almost surely, 2201258280 is an apocalyptic number.
201258280 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 201258280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237401280).
201258280 is an abundant number, since it is smaller than the sum of its proper divisors (273544280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201258280 is a wasteful number, since it uses less digits than its factorization.
201258280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1090 (or 1086 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 28.
The square root of 201258280 is about 14186.5527877635. The cubic root of 201258280 is about 586.0273956604.
The spelling of 201258280 in words is "two hundred one million, two hundred fifty-eight thousand, two hundred eighty".
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