Base | Representation |
---|---|
bin | 11010100110000… |
… | …11110001111001 |
3 | 120112210122200220 |
4 | 31103003301321 |
5 | 424103200100 |
6 | 34045450253 |
7 | 5346214251 |
oct | 1523036171 |
9 | 515718626 |
10 | 223100025 |
11 | 104a30395 |
12 | 62870989 |
13 | 372b4765 |
14 | 218b6961 |
15 | 148bdaa0 |
hex | d4c3c79 |
223100025 has 24 divisors (see below), whose sum is σ = 380761344. Its totient is φ = 115147200.
The previous prime is 223100021. The next prime is 223100041. The reversal of 223100025 is 520001322.
It is not a de Polignac number, because 223100025 - 22 = 223100021 is a prime.
It is a super-3 number, since 3×2231000253 (a number of 26 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 223099977 and 223100013.
It is not an unprimeable number, because it can be changed into a prime (223100021) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45654 + ... + 50303.
It is an arithmetic number, because the mean of its divisors is an integer number (15865056).
Almost surely, 2223100025 is an apocalyptic number.
223100025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
223100025 is a deficient number, since it is larger than the sum of its proper divisors (157661319).
223100025 is a wasteful number, since it uses less digits than its factorization.
223100025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96001 (or 95996 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 223100025 is about 14936.5332323133. The cubic root of 223100025 is about 606.5033532078.
Adding to 223100025 its reverse (520001322), we get a palindrome (743101347).
The spelling of 223100025 in words is "two hundred twenty-three million, one hundred thousand, twenty-five".
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