Base | Representation |
---|---|
bin | 10111111110000… |
… | …00000101111111 |
3 | 112000100011002121 |
4 | 23333000011333 |
5 | 402433033311 |
6 | 31541303411 |
7 | 4661010562 |
oct | 1377000577 |
9 | 460304077 |
10 | 201064831 |
11 | a354aa90 |
12 | 57404b67 |
13 | 3286ab96 |
14 | 1c9bc4d9 |
15 | 129b9b71 |
hex | bfc017f |
201064831 has 16 divisors (see below), whose sum is σ = 232705440. Its totient is φ = 171694080.
The previous prime is 201064823. The next prime is 201064879. The reversal of 201064831 is 138460102.
It is a cyclic number.
It is not a de Polignac number, because 201064831 - 23 = 201064823 is a prime.
It is a super-2 number, since 2×2010648312 = 80854132530117122, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 201064796 and 201064805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201064811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154375 + ... + 155671.
It is an arithmetic number, because the mean of its divisors is an integer number (14544090).
Almost surely, 2201064831 is an apocalyptic number.
201064831 is a deficient number, since it is larger than the sum of its proper divisors (31640609).
201064831 is a wasteful number, since it uses less digits than its factorization.
201064831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2154.
The product of its (nonzero) digits is 1152, while the sum is 25.
The square root of 201064831 is about 14179.7331075024. The cubic root of 201064831 is about 585.8395727369.
The spelling of 201064831 in words is "two hundred one million, sixty-four thousand, eight hundred thirty-one".
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