Base | Representation |
---|---|
bin | 101100010000… |
… | …0111010011101 |
3 | 1121122212012100 |
4 | 1120200322131 |
5 | 21420002420 |
6 | 2145155313 |
7 | 401140434 |
oct | 130407235 |
9 | 47585170 |
10 | 23203485 |
11 | 12109138 |
12 | 792bb39 |
13 | 4a65596 |
14 | 312011b |
15 | 2085190 |
hex | 1620e9d |
23203485 has 48 divisors (see below), whose sum is σ = 41783040. Its totient is φ = 11905920.
The previous prime is 23203483. The next prime is 23203493. The reversal of 23203485 is 58430232.
It is not a de Polignac number, because 23203485 - 21 = 23203483 is a prime.
It is a super-2 number, since 2×232034852 = 1076803432290450, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23203483) 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, 216802 + ... + 216908.
It is an arithmetic number, because the mean of its divisors is an integer number (870480).
Almost surely, 223203485 is an apocalyptic number.
It is an amenable number.
23203485 is a deficient number, since it is larger than the sum of its proper divisors (18579555).
23203485 is a wasteful number, since it uses less digits than its factorization.
23203485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258 (or 255 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 23203485 is about 4816.9995848038. Note that the first 3 decimals coincide. The cubic root of 23203485 is about 285.2229096341. Note that the first 3 decimals are identical.
The spelling of 23203485 in words is "twenty-three million, two hundred three thousand, four hundred eighty-five".
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