Base | Representation |
---|---|
bin | 1111001100010… |
… | …00000111011001 |
3 | 22212210101021011 |
4 | 13212020013121 |
5 | 230110411400 |
6 | 20351213521 |
7 | 3105116161 |
oct | 746100731 |
9 | 285711234 |
10 | 127435225 |
11 | 65a2aa75 |
12 | 368172a1 |
13 | 2052b278 |
14 | 12cd35a1 |
15 | b2c38ba |
hex | 79881d9 |
127435225 has 6 divisors (see below), whose sum is σ = 158019710. Its totient is φ = 101948160.
The previous prime is 127435219. The next prime is 127435237. The reversal of 127435225 is 522534721.
It can be written as a sum of positive squares in 3 ways, for example, as 34351321 + 93083904 = 5861^2 + 9648^2 .
It is not a de Polignac number, because 127435225 - 213 = 127427033 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2548680 + ... + 2548729.
Almost surely, 2127435225 is an apocalyptic number.
It is an amenable number.
127435225 is a deficient number, since it is larger than the sum of its proper divisors (30584485).
127435225 is an equidigital number, since it uses as much as digits as its factorization.
127435225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5097419 (or 5097414 counting only the distinct ones).
The product of its digits is 16800, while the sum is 31.
The square root of 127435225 is about 11288.7211410328. The cubic root of 127435225 is about 503.2261063733.
Adding to 127435225 its reverse (522534721), we get a palindrome (649969946).
The spelling of 127435225 in words is "one hundred twenty-seven million, four hundred thirty-five thousand, two hundred twenty-five".
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