Base | Representation |
---|---|
bin | 1111001110100… |
… | …11100010010000 |
3 | 22220101002000121 |
4 | 13213103202100 |
5 | 230200303034 |
6 | 20402000024 |
7 | 3110543623 |
oct | 747234220 |
9 | 286332017 |
10 | 127744144 |
11 | 66121080 |
12 | 36946014 |
13 | 20608a68 |
14 | 12d73dba |
15 | b3351b4 |
hex | 79d3890 |
127744144 has 40 divisors (see below), whose sum is σ = 284222880. Its totient is φ = 55008000.
The previous prime is 127744117. The next prime is 127744153. The reversal of 127744144 is 441447721.
It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.
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 7 ways as a sum of consecutive naturals, for example, 15757 + ... + 22444.
It is an arithmetic number, because the mean of its divisors is an integer number (7105572).
Almost surely, 2127744144 is an apocalyptic number.
It is an amenable number.
127744144 is an abundant number, since it is smaller than the sum of its proper divisors (156478736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127744144 is a wasteful number, since it uses less digits than its factorization.
127744144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38239 (or 38233 counting only the distinct ones).
The product of its digits is 25088, while the sum is 34.
The square root of 127744144 is about 11302.3954983003. The cubic root of 127744144 is about 503.6324060166.
The spelling of 127744144 in words is "one hundred twenty-seven million, seven hundred forty-four thousand, one hundred forty-four".
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