Base | Representation |
---|---|
bin | 1110110011101… |
… | …11111011111001 |
3 | 22122202012020012 |
4 | 13121313323321 |
5 | 223300120400 |
6 | 20154311305 |
7 | 3035610560 |
oct | 731677371 |
9 | 278665205 |
10 | 124223225 |
11 | 64136825 |
12 | 35728535 |
13 | 1c975289 |
14 | 126d8bd7 |
15 | ad8bd35 |
hex | 7677ef9 |
124223225 has 12 divisors (see below), whose sum is σ = 176042304. Its totient is φ = 85181520.
The previous prime is 124223221. The next prime is 124223227. The reversal of 124223225 is 522322421.
It is not a de Polignac number, because 124223225 - 22 = 124223221 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 124223225.
It is not an unprimeable number, because it can be changed into a prime (124223221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354749 + ... + 355098.
It is an arithmetic number, because the mean of its divisors is an integer number (14670192).
Almost surely, 2124223225 is an apocalyptic number.
It is an amenable number.
124223225 is a deficient number, since it is larger than the sum of its proper divisors (51819079).
124223225 is an equidigital number, since it uses as much as digits as its factorization.
124223225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 709864 (or 709859 counting only the distinct ones).
The product of its digits is 1920, while the sum is 23.
The square root of 124223225 is about 11145.5473172025. The cubic root of 124223225 is about 498.9621472137.
Adding to 124223225 its reverse (522322421), we get a palindrome (646545646).
The spelling of 124223225 in words is "one hundred twenty-four million, two hundred twenty-three thousand, two hundred twenty-five".
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