Base | Representation |
---|---|
bin | 1111001001010… |
… | …00011100000000 |
3 | 22212001110200110 |
4 | 13210220130000 |
5 | 230010341303 |
6 | 20334551320 |
7 | 3101564466 |
oct | 744503400 |
9 | 285043613 |
10 | 127043328 |
11 | 65792595 |
12 | 36668540 |
13 | 20421a89 |
14 | 12c30836 |
15 | b247703 |
hex | 7928700 |
127043328 has 72 divisors (see below), whose sum is σ = 346073728. Its totient is φ = 41352192.
The previous prime is 127043327. The next prime is 127043339. The reversal of 127043328 is 823340721.
It is a super-2 number, since 2×1270433282 = 32280014378631168, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 127043295 and 127043304.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (127043321) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31101 + ... + 34947.
Almost surely, 2127043328 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 127043328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173036864).
127043328 is an abundant number, since it is smaller than the sum of its proper divisors (219030400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127043328 is an equidigital number, since it uses as much as digits as its factorization.
127043328 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3909 (or 3895 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 30.
The square root of 127043328 is about 11271.3498747932. The cubic root of 127043328 is about 502.7097255793.
The spelling of 127043328 in words is "one hundred twenty-seven million, forty-three thousand, three hundred twenty-eight".
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