Base | Representation |
---|---|
bin | 11000001101101… |
… | …01111100010100 |
3 | 112011012120210221 |
4 | 30012311330110 |
5 | 403444323104 |
6 | 32053324124 |
7 | 5014331524 |
oct | 1406657424 |
9 | 464176727 |
10 | 203120404 |
11 | a4724403 |
12 | 58036644 |
13 | 3310a6b6 |
14 | 1cd95684 |
15 | 12c73c54 |
hex | c1b5f14 |
203120404 has 6 divisors (see below), whose sum is σ = 355460714. Its totient is φ = 101560200.
The previous prime is 203120381. The next prime is 203120413. The reversal of 203120404 is 404021302.
203120404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 203119504 + 900 = 14252^2 + 30^2 .
It is a super-2 number, since 2×2031204042 = 82515797042246432, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25390047 + ... + 25390054.
Almost surely, 2203120404 is an apocalyptic number.
It is an amenable number.
203120404 is a deficient number, since it is larger than the sum of its proper divisors (152340310).
203120404 is a wasteful number, since it uses less digits than its factorization.
203120404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50780105 (or 50780103 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 203120404 is about 14252.0315744809. The cubic root of 203120404 is about 587.8292383648.
Adding to 203120404 its reverse (404021302), we get a palindrome (607141706).
The spelling of 203120404 in words is "two hundred three million, one hundred twenty thousand, four hundred four".
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