Base | Representation |
---|---|
bin | 1110111001111… |
… | …00011101111111 |
3 | 22201021002110221 |
4 | 13130330131333 |
5 | 224001400343 |
6 | 20223442211 |
7 | 3045502525 |
oct | 734743577 |
9 | 281232427 |
10 | 125028223 |
11 | 64636611 |
12 | 35a56367 |
13 | 1cb977c8 |
14 | 12868315 |
15 | ae9a5ed |
hex | 773c77f |
125028223 has 4 divisors (see below), whose sum is σ = 127077928. Its totient is φ = 122978520.
The previous prime is 125028199. The next prime is 125028259. The reversal of 125028223 is 322820521.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322820521 = 1087 ⋅296983.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-125028223 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125028283) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024761 + ... + 1024882.
It is an arithmetic number, because the mean of its divisors is an integer number (31769482).
Almost surely, 2125028223 is an apocalyptic number.
125028223 is a deficient number, since it is larger than the sum of its proper divisors (2049705).
125028223 is an equidigital number, since it uses as much as digits as its factorization.
125028223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2049704.
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 125028223 is about 11181.6019871931. The cubic root of 125028223 is about 500.0376278349.
Adding to 125028223 its reverse (322820521), we get a palindrome (447848744).
The spelling of 125028223 in words is "one hundred twenty-five million, twenty-eight thousand, two hundred twenty-three".
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