Base | Representation |
---|---|
bin | 11000001100110… |
… | …11101110100001 |
3 | 112011000010111221 |
4 | 30012123232201 |
5 | 403432404100 |
6 | 32051135041 |
7 | 5013403465 |
oct | 1406335641 |
9 | 464003457 |
10 | 203013025 |
11 | a4660766 |
12 | 57ba4481 |
13 | 330a0867 |
14 | 1cd684a5 |
15 | 12c5201a |
hex | c19bba1 |
203013025 has 12 divisors (see below), whose sum is σ = 252555264. Its totient is φ = 161882000.
The previous prime is 203013011. The next prime is 203013037. The reversal of 203013025 is 520310302.
203013025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 203013025 - 215 = 202980257 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5281 + ... + 20830.
It is an arithmetic number, because the mean of its divisors is an integer number (21046272).
Almost surely, 2203013025 is an apocalyptic number.
203013025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
203013025 is a deficient number, since it is larger than the sum of its proper divisors (49542239).
203013025 is a wasteful number, since it uses less digits than its factorization.
203013025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26432 (or 26427 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 203013025 is about 14248.2639293354. The cubic root of 203013025 is about 587.7256353775.
Adding to 203013025 its reverse (520310302), we get a palindrome (723323327).
The spelling of 203013025 in words is "two hundred three million, thirteen thousand, twenty-five".
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