| Base | Representation |
|---|---|
| bin | 1111000110111… |
| … | …11010110000100 |
| 3 | 22211111021000000 |
| 4 | 13203133112010 |
| 5 | 224421301230 |
| 6 | 20324321300 |
| 7 | 3066206601 |
| oct | 743372604 |
| 9 | 284437000 |
| 10 | 126743940 |
| 11 | 655a8664 |
| 12 | 36543230 |
| 13 | 2034871b |
| 14 | 12b936a8 |
| 15 | b1d8b60 |
| hex | 78df584 |
126743940 has 84 divisors (see below), whose sum is σ = 399106764. Its totient is φ = 33794496.
The previous prime is 126743933. The next prime is 126743951. The reversal of 126743940 is 49347621.
126743940 is a `hidden beast` number, since 1 + 267 + 4 + 394 + 0 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 22581504 + 104162436 = 4752^2 + 10206^2 .
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 126743895 and 126743904.
It is an unprimeable number.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 10234 + ... + 18926.
It is an arithmetic number, because the mean of its divisors is an integer number (4751271).
Almost surely, 2126743940 is an apocalyptic number.
126743940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 126743940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199553382).
126743940 is an abundant number, since it is smaller than the sum of its proper divisors (272362824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126743940 is an equidigital number, since it uses as much as digits as its factorization.
126743940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8720 (or 8703 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The square root of 126743940 is about 11258.0611119322. The cubic root of 126743940 is about 502.3145227701.
The spelling of 126743940 in words is "one hundred twenty-six million, seven hundred forty-three thousand, nine hundred forty".
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