Base | Representation |
---|---|
bin | 11000001110100… |
… | …11110101001110 |
3 | 112011102210202020 |
4 | 30013103311032 |
5 | 404012232310 |
6 | 32100111010 |
7 | 5015351460 |
oct | 1407236516 |
9 | 464383666 |
10 | 203242830 |
11 | a47a838a |
12 | 58095466 |
13 | 3315133b |
14 | 1cdc8130 |
15 | 12c9a170 |
hex | c1d3d4e |
203242830 has 32 divisors (see below), whose sum is σ = 557466624. Its totient is φ = 46455456.
The previous prime is 203242807. The next prime is 203242873. The reversal of 203242830 is 38242302.
203242830 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 203242830.
It is a congruent number.
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, 483702 + ... + 484121.
It is an arithmetic number, because the mean of its divisors is an integer number (17420832).
Almost surely, 2203242830 is an apocalyptic number.
203242830 is an abundant number, since it is smaller than the sum of its proper divisors (354223794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203242830 is a wasteful number, since it uses less digits than its factorization.
203242830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 967840.
The product of its (nonzero) digits is 2304, while the sum is 24.
The square root of 203242830 is about 14256.3259642869. The cubic root of 203242830 is about 587.9473146834.
The spelling of 203242830 in words is "two hundred three million, two hundred forty-two thousand, eight hundred thirty".
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