Base | Representation |
---|---|
bin | 1110101010100… |
… | …10101110010001 |
3 | 22120111011202201 |
4 | 13111102232101 |
5 | 222443202400 |
6 | 20112443201 |
7 | 3022446244 |
oct | 725225621 |
9 | 276434681 |
10 | 123022225 |
11 | 63496467 |
12 | 35249501 |
13 | 1c644721 |
14 | 124a525b |
15 | ac0106a |
hex | 7552b91 |
123022225 has 24 divisors (see below), whose sum is σ = 157757760. Its totient is φ = 95094720.
The previous prime is 123022223. The next prime is 123022241. The reversal of 123022225 is 522220321.
It is not a de Polignac number, because 123022225 - 21 = 123022223 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123022223) 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, 165204 + ... + 165946.
It is an arithmetic number, because the mean of its divisors is an integer number (6573240).
Almost surely, 2123022225 is an apocalyptic number.
It is an amenable number.
123022225 is a deficient number, since it is larger than the sum of its proper divisors (34735535).
123022225 is a wasteful number, since it uses less digits than its factorization.
123022225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 969 (or 964 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 123022225 is about 11091.5384415328. The cubic root of 123022225 is about 497.3489352205.
Adding to 123022225 its reverse (522220321), we get a palindrome (645242546).
The spelling of 123022225 in words is "one hundred twenty-three million, twenty-two thousand, two hundred twenty-five".
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