Base | Representation |
---|---|
bin | 1111000111100… |
… | …00111000110000 |
3 | 22211121220120012 |
4 | 13203300320300 |
5 | 224431101132 |
6 | 20330034052 |
7 | 3066626225 |
oct | 743607060 |
9 | 284556505 |
10 | 126815792 |
11 | 65647644 |
12 | 36578928 |
13 | 2037233c |
14 | 12bb194c |
15 | b2000b2 |
hex | 78f0e30 |
126815792 has 40 divisors (see below), whose sum is σ = 255316992. Its totient is φ = 60955200.
The previous prime is 126815789. The next prime is 126815809. The reversal of 126815792 is 297518621.
It is a zygodrome in base 2.
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, 82067 + ... + 83597.
Almost surely, 2126815792 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 126815792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127658496).
126815792 is an abundant number, since it is smaller than the sum of its proper divisors (128501200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126815792 is a wasteful number, since it uses less digits than its factorization.
126815792 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1737 (or 1731 counting only the distinct ones).
The product of its digits is 60480, while the sum is 41.
The square root of 126815792 is about 11261.2517954267. The cubic root of 126815792 is about 502.4094266761.
The spelling of 126815792 in words is "one hundred twenty-six million, eight hundred fifteen thousand, seven hundred ninety-two".
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