Base | Representation |
---|---|
bin | 11000010011010… |
… | …10101101011110 |
3 | 112012121012111010 |
4 | 30021222231132 |
5 | 404142021310 |
6 | 32121240050 |
7 | 5023534305 |
oct | 1411525536 |
9 | 465535433 |
10 | 203860830 |
11 | a508a728 |
12 | 58333026 |
13 | 33309714 |
14 | 1d10943c |
15 | 12d6d320 |
hex | c26ab5e |
203860830 has 32 divisors (see below), whose sum is σ = 490458528. Its totient is φ = 54230400.
The previous prime is 203860829. The next prime is 203860831. The reversal of 203860830 is 38068302.
It is an interprime number because it is at equal distance from previous prime (203860829) and next prime (203860831).
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203860831) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4560 + ... + 20700.
It is an arithmetic number, because the mean of its divisors is an integer number (15326829).
Almost surely, 2203860830 is an apocalyptic number.
203860830 is an abundant number, since it is smaller than the sum of its proper divisors (286597698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203860830 is a wasteful number, since it uses less digits than its factorization.
203860830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16572.
The product of its (nonzero) digits is 6912, while the sum is 30.
The square root of 203860830 is about 14277.9841014059. The cubic root of 203860830 is about 588.5426350378.
The spelling of 203860830 in words is "two hundred three million, eight hundred sixty thousand, eight hundred thirty".
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