Base | Representation |
---|---|
bin | 1110111100010… |
… | …00111000100101 |
3 | 22201211222211110 |
4 | 13132020320211 |
5 | 224041404341 |
6 | 20234255233 |
7 | 3051245205 |
oct | 736107045 |
9 | 281758743 |
10 | 125341221 |
11 | 6482a795 |
12 | 35b87519 |
13 | 1cc77105 |
14 | 1290a405 |
15 | b00d216 |
hex | 7788e25 |
125341221 has 16 divisors (see below), whose sum is σ = 177315264. Its totient is φ = 78484224.
The previous prime is 125341211. The next prime is 125341241. The reversal of 125341221 is 122143521.
It is not a de Polignac number, because 125341221 - 25 = 125341189 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125341211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25651 + ... + 30143.
It is an arithmetic number, because the mean of its divisors is an integer number (11082204).
Almost surely, 2125341221 is an apocalyptic number.
It is an amenable number.
125341221 is a deficient number, since it is larger than the sum of its proper divisors (51974043).
125341221 is a wasteful number, since it uses less digits than its factorization.
125341221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5060.
The product of its digits is 480, while the sum is 21.
The square root of 125341221 is about 11195.5893547414. The cubic root of 125341221 is about 500.4545479804.
Adding to 125341221 its reverse (122143521), we get a palindrome (247484742).
The spelling of 125341221 in words is "one hundred twenty-five million, three hundred forty-one thousand, two hundred twenty-one".
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