Base | Representation |
---|---|
bin | 1111010000000… |
… | …00001110111001 |
3 | 22220201101011101 |
4 | 13220000032321 |
5 | 230222132400 |
6 | 20405531401 |
7 | 3112235446 |
oct | 750001671 |
9 | 286641141 |
10 | 127927225 |
11 | 66236688 |
12 | 36a13b61 |
13 | 206711aa |
14 | 12dc09cd |
15 | b36e56a |
hex | 7a003b9 |
127927225 has 6 divisors (see below), whose sum is σ = 158629790. Its totient is φ = 102341760.
The previous prime is 127927223. The next prime is 127927243. The reversal of 127927225 is 522729721.
It can be written as a sum of positive squares in 3 ways, for example, as 25431849 + 102495376 = 5043^2 + 10124^2 .
It is not a de Polignac number, because 127927225 - 21 = 127927223 is a prime.
It is not an unprimeable number, because it can be changed into a prime (127927223) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2558520 + ... + 2558569.
Almost surely, 2127927225 is an apocalyptic number.
It is an amenable number.
127927225 is a deficient number, since it is larger than the sum of its proper divisors (30702565).
127927225 is an equidigital number, since it uses as much as digits as its factorization.
127927225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5117099 (or 5117094 counting only the distinct ones).
The product of its digits is 35280, while the sum is 37.
The square root of 127927225 is about 11310.4918107039. The cubic root of 127927225 is about 503.8728906486.
The spelling of 127927225 in words is "one hundred twenty-seven million, nine hundred twenty-seven thousand, two hundred twenty-five".
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