Base | Representation |
---|---|
bin | 11000001110010… |
… | …01011000010111 |
3 | 112011100122000210 |
4 | 30013021120113 |
5 | 404004400043 |
6 | 32055140503 |
7 | 5015112615 |
oct | 1407113027 |
9 | 464318023 |
10 | 203200023 |
11 | a4779204 |
12 | 58074733 |
13 | 33137a00 |
14 | 1cdb66b5 |
15 | 12c8c633 |
hex | c1c9617 |
203200023 has 24 divisors (see below), whose sum is σ = 294354768. Its totient is φ = 124630272.
The previous prime is 203200001. The next prime is 203200027. The reversal of 203200023 is 320002302.
It is not a de Polignac number, because 203200023 - 25 = 203199991 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 203199981 and 203200008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203200027) 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 23 ways as a sum of consecutive naturals, for example, 231261 + ... + 232137.
It is an arithmetic number, because the mean of its divisors is an integer number (12264782).
Almost surely, 2203200023 is an apocalyptic number.
203200023 is a deficient number, since it is larger than the sum of its proper divisors (91154745).
203200023 is a wasteful number, since it uses less digits than its factorization.
203200023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1363 (or 1350 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 12.
The square root of 203200023 is about 14254.8245517088. The cubic root of 203200023 is about 587.9060339687.
Adding to 203200023 its reverse (320002302), we get a palindrome (523202325).
The spelling of 203200023 in words is "two hundred three million, two hundred thousand, twenty-three".
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