Base | Representation |
---|---|
bin | 11000001101000… |
… | …00000000001101 |
3 | 112011001000112200 |
4 | 30012200000031 |
5 | 403433434131 |
6 | 32051352113 |
7 | 5013505530 |
oct | 1406400015 |
9 | 464030480 |
10 | 203030541 |
11 | a467293a |
12 | 57bb2639 |
13 | 330a881c |
14 | 1cd70a17 |
15 | 12c572e6 |
hex | c1a000d |
203030541 has 48 divisors (see below), whose sum is σ = 356638464. Its totient is φ = 108652032.
The previous prime is 203030461. The next prime is 203030543. The reversal of 203030541 is 145030302.
It is not a de Polignac number, because 203030541 - 213 = 203022349 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203030543) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 313480 + ... + 314126.
It is an arithmetic number, because the mean of its divisors is an integer number (7429968).
Almost surely, 2203030541 is an apocalyptic number.
203030541 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
203030541 is a deficient number, since it is larger than the sum of its proper divisors (153607923).
203030541 is a wasteful number, since it uses less digits than its factorization.
203030541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 970 (or 967 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 203030541 is about 14248.8785874538. The cubic root of 203030541 is about 587.7425379156.
Adding to 203030541 its reverse (145030302), we get a palindrome (348060843).
The spelling of 203030541 in words is "two hundred three million, thirty thousand, five hundred forty-one".
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