Base | Representation |
---|---|
bin | 11000001101100… |
… | …01100110100110 |
3 | 112011011200102122 |
4 | 30012301212212 |
5 | 403443241010 |
6 | 32053105542 |
7 | 5014225643 |
oct | 1406614646 |
9 | 464150378 |
10 | 203102630 |
11 | a4712015 |
12 | 580282b2 |
13 | 33102593 |
14 | 1cd8cdca |
15 | 12c6d855 |
hex | c1b19a6 |
203102630 has 16 divisors (see below), whose sum is σ = 368217360. Its totient is φ = 80656032.
The previous prime is 203102629. The next prime is 203102633. The reversal of 203102630 is 36201302.
It is a junction number, because it is equal to n+sod(n) for n = 203102599 and 203102608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203102633) 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 7 ways as a sum of consecutive naturals, for example, 71669 + ... + 74448.
It is an arithmetic number, because the mean of its divisors is an integer number (23013585).
Almost surely, 2203102630 is an apocalyptic number.
203102630 is a deficient number, since it is larger than the sum of its proper divisors (165114730).
203102630 is a wasteful number, since it uses less digits than its factorization.
203102630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146263.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 203102630 is about 14251.4080006152. The cubic root of 203102630 is about 587.8120919146.
Adding to 203102630 its reverse (36201302), we get a palindrome (239303932).
The spelling of 203102630 in words is "two hundred three million, one hundred two thousand, six hundred thirty".
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