Base | Representation |
---|---|
bin | 10111111101111… |
… | …01100100111000 |
3 | 112000022121221201 |
4 | 23332331210320 |
5 | 402432221040 |
6 | 31541143544 |
7 | 4660635532 |
oct | 1376754470 |
9 | 460277851 |
10 | 201054520 |
11 | a3543267 |
12 | 573babb4 |
13 | 32866294 |
14 | 1c9b8852 |
15 | 129b6a9a |
hex | bfbd938 |
201054520 has 32 divisors (see below), whose sum is σ = 453996720. Its totient is φ = 80133120.
The previous prime is 201054517. The next prime is 201054521. The reversal of 201054520 is 25450102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201054521) 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, 2440 + ... + 20200.
Almost surely, 2201054520 is an apocalyptic number.
201054520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
201054520 is an abundant number, since it is smaller than the sum of its proper divisors (252942200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201054520 is a wasteful number, since it uses less digits than its factorization.
201054520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18055 (or 18051 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 19.
The square root of 201054520 is about 14179.3695205393. The cubic root of 201054520 is about 585.8295582305.
The spelling of 201054520 in words is "two hundred one million, fifty-four thousand, five hundred twenty".
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