Base | Representation |
---|---|
bin | 1110111001111… |
… | …00111010001001 |
3 | 22201021011221200 |
4 | 13130330322021 |
5 | 224001430100 |
6 | 20223454413 |
7 | 3045511011 |
oct | 734747211 |
9 | 281234850 |
10 | 125030025 |
11 | 646379aa |
12 | 35a57409 |
13 | 1cb98583 |
14 | 12868c41 |
15 | ae9ae00 |
hex | 773ce89 |
125030025 has 36 divisors (see below), whose sum is σ = 229168368. Its totient is φ = 65126880.
The previous prime is 125029997. The next prime is 125030039. The reversal of 125030025 is 520030521.
It is a happy number.
It is not a de Polignac number, because 125030025 - 220 = 123981449 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3214 + ... + 16136.
It is an arithmetic number, because the mean of its divisors is an integer number (6365788).
Almost surely, 2125030025 is an apocalyptic number.
125030025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
125030025 is a deficient number, since it is larger than the sum of its proper divisors (104138343).
125030025 is a wasteful number, since it uses less digits than its factorization.
125030025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12982 (or 12974 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 125030025 is about 11181.6825656965. The cubic root of 125030025 is about 500.0400301284.
Adding to 125030025 its reverse (520030521), we get a palindrome (645060546).
The spelling of 125030025 in words is "one hundred twenty-five million, thirty thousand, twenty-five".
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