Base | Representation |
---|---|
bin | 101100010000… |
… | …0110011101101 |
3 | 1121122211121100 |
4 | 1120200303231 |
5 | 21414444203 |
6 | 2145153313 |
7 | 401136246 |
oct | 130406355 |
9 | 47584540 |
10 | 23203053 |
11 | 12108885 |
12 | 792b839 |
13 | 4a65323 |
14 | 311dccd |
15 | 2084ea3 |
hex | 1620ced |
23203053 has 6 divisors (see below), whose sum is σ = 33515534. Its totient is φ = 15468696.
The previous prime is 23203051. The next prime is 23203073. The reversal of 23203053 is 35030232.
It can be written as a sum of positive squares in only one way, i.e., 23011209 + 191844 = 4797^2 + 438^2 .
It is not a de Polignac number, because 23203053 - 21 = 23203051 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23203051) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1289050 + ... + 1289067.
Almost surely, 223203053 is an apocalyptic number.
It is an amenable number.
23203053 is a deficient number, since it is larger than the sum of its proper divisors (10312481).
23203053 is a wasteful number, since it uses less digits than its factorization.
23203053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2578123 (or 2578120 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 18.
The square root of 23203053 is about 4816.9547434038. The cubic root of 23203053 is about 285.2211395399.
Adding to 23203053 its reverse (35030232), we get a palindrome (58233285).
The spelling of 23203053 in words is "twenty-three million, two hundred three thousand, fifty-three".
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