Base | Representation |
---|---|
bin | 1110101100011… |
… | …01100011111001 |
3 | 22120221102100122 |
4 | 13112031203321 |
5 | 223023410400 |
6 | 20121543025 |
7 | 3024502001 |
oct | 726154371 |
9 | 276842318 |
10 | 123263225 |
11 | 63640538 |
12 | 35344a75 |
13 | 1c6ca327 |
14 | 12529001 |
15 | ac4c685 |
hex | 758d8f9 |
123263225 has 12 divisors (see below), whose sum is σ = 154202556. Its totient is φ = 97735680.
The previous prime is 123263221. The next prime is 123263237. The reversal of 123263225 is 522362321.
It can be written as a sum of positive squares in 6 ways, for example, as 5345344 + 117917881 = 2312^2 + 10859^2 .
It is not a de Polignac number, because 123263225 - 22 = 123263221 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 123263194 and 123263203.
It is not an unprimeable number, because it can be changed into a prime (123263221) 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, 18992 + ... + 24641.
It is an arithmetic number, because the mean of its divisors is an integer number (12850213).
Almost surely, 2123263225 is an apocalyptic number.
It is an amenable number.
123263225 is a deficient number, since it is larger than the sum of its proper divisors (30939331).
123263225 is a wasteful number, since it uses less digits than its factorization.
123263225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43756 (or 43751 counting only the distinct ones).
The product of its digits is 4320, while the sum is 26.
The square root of 123263225 is about 11102.3972636544. The cubic root of 123263225 is about 497.6734915065.
It can be divided in two parts, 12326 and 3225, that added together give a palindrome (15551).
The spelling of 123263225 in words is "one hundred twenty-three million, two hundred sixty-three thousand, two hundred twenty-five".
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