Base | Representation |
---|---|
bin | 1111001111100… |
… | …10100011111100 |
3 | 22220121112100102 |
4 | 13213302203330 |
5 | 230213334403 |
6 | 20404420232 |
7 | 3111613262 |
oct | 747624374 |
9 | 286545312 |
10 | 127871228 |
11 | 661a8601 |
12 | 369a7678 |
13 | 20651864 |
14 | 12da8432 |
15 | b35cb88 |
hex | 79f28fc |
127871228 has 12 divisors (see below), whose sum is σ = 223870920. Its totient is φ = 63908112.
The previous prime is 127871221. The next prime is 127871257. The reversal of 127871228 is 822178721.
It is a junction number, because it is equal to n+sod(n) for n = 127871191 and 127871200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (127871221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6458 + ... + 17246.
It is an arithmetic number, because the mean of its divisors is an integer number (18655910).
Almost surely, 2127871228 is an apocalyptic number.
It is an amenable number.
127871228 is a deficient number, since it is larger than the sum of its proper divisors (95999692).
127871228 is a wasteful number, since it uses less digits than its factorization.
127871228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13756 (or 13754 counting only the distinct ones).
The product of its digits is 25088, while the sum is 38.
The square root of 127871228 is about 11308.0160947887. The cubic root of 127871228 is about 503.7993605924.
The spelling of 127871228 in words is "one hundred twenty-seven million, eight hundred seventy-one thousand, two hundred twenty-eight".
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