Base | Representation |
---|---|
bin | 111011000011… |
… | …0001001111001 |
3 | 2011020211200001 |
4 | 1312012021321 |
5 | 30411130301 |
6 | 3023313001 |
7 | 524066101 |
oct | 166061171 |
9 | 64224601 |
10 | 30958201 |
11 | 1652539a |
12 | a44b761 |
13 | 654c181 |
14 | 417c201 |
15 | 2ab7c01 |
hex | 1d86279 |
30958201 has 16 divisors (see below), whose sum is σ = 33747840. Its totient is φ = 28304640.
The previous prime is 30958183. The next prime is 30958223. The reversal of 30958201 is 10285903.
It is a 3-Lehmer number, since φ(30958201) divides (30958201-1)3.
It is a cyclic number.
It is not a de Polignac number, because 30958201 - 27 = 30958073 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30958201.
It is not an unprimeable number, because it can be changed into a prime (30958001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71281 + ... + 71713.
It is an arithmetic number, because the mean of its divisors is an integer number (2109240).
It is a Poulet number, since it divides 230958200-1.
Almost surely, 230958201 is an apocalyptic number.
It is an amenable number.
30958201 is a deficient number, since it is larger than the sum of its proper divisors (2789639).
30958201 is a wasteful number, since it uses less digits than its factorization.
30958201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 576.
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 30958201 is about 5564.0094356498. The cubic root of 30958201 is about 313.9968118735.
The spelling of 30958201 in words is "thirty million, nine hundred fifty-eight thousand, two hundred one".
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