Base | Representation |
---|---|
bin | 1111001010111… |
… | …00101010010000 |
3 | 22212110100002211 |
4 | 13211130222100 |
5 | 230034212412 |
6 | 20343321504 |
7 | 3103445224 |
oct | 745345220 |
9 | 285410084 |
10 | 127257232 |
11 | 65919273 |
12 | 36750294 |
13 | 2049824b |
14 | 12c88784 |
15 | b28aca7 |
hex | 795ca90 |
127257232 has 20 divisors (see below), whose sum is σ = 254515456. Its totient is φ = 61575840.
The previous prime is 127257217. The next prime is 127257259. The reversal of 127257232 is 232752721.
127257232 is an admirable number.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a junction number, because it is equal to n+sod(n) for n = 127257194 and 127257203.
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 3 ways as a sum of consecutive naturals, for example, 127788 + ... + 128779.
Almost surely, 2127257232 is an apocalyptic number.
It is an amenable number.
127257232 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127257232 is a wasteful number, since it uses less digits than its factorization.
127257232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 256606 (or 256600 counting only the distinct ones).
The product of its digits is 11760, while the sum is 31.
The square root of 127257232 is about 11280.8347208883. The cubic root of 127257232 is about 502.9917063506.
The spelling of 127257232 in words is "one hundred twenty-seven million, two hundred fifty-seven thousand, two hundred thirty-two".
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