Base | Representation |
---|---|
bin | 1111000110110… |
… | …10111001110000 |
3 | 22211110100001002 |
4 | 13203122321300 |
5 | 224420210434 |
6 | 20324101132 |
7 | 3066102545 |
oct | 743327160 |
9 | 284410032 |
10 | 126725744 |
11 | 65595a22 |
12 | 365347a8 |
13 | 20340362 |
14 | 12b8abcc |
15 | b1d357e |
hex | 78dae70 |
126725744 has 40 divisors (see below), whose sum is σ = 260400000. Its totient is φ = 59576256.
The previous prime is 126725719. The next prime is 126725783. The reversal of 126725744 is 447527621.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a junction number, because it is equal to n+sod(n) for n = 126725698 and 126725707.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40757 + ... + 43755.
It is an arithmetic number, because the mean of its divisors is an integer number (6510000).
Almost surely, 2126725744 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 126725744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130200000).
126725744 is an abundant number, since it is smaller than the sum of its proper divisors (133674256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126725744 is a wasteful number, since it uses less digits than its factorization.
126725744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3165 (or 3159 counting only the distinct ones).
The product of its digits is 94080, while the sum is 38.
The square root of 126725744 is about 11257.2529508757. The cubic root of 126725744 is about 502.2904833499.
The spelling of 126725744 in words is "one hundred twenty-six million, seven hundred twenty-five thousand, seven hundred forty-four".
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