Base | Representation |
---|---|
bin | 1111001000011… |
… | …11111101000000 |
3 | 22211212101010002 |
4 | 13210033331000 |
5 | 224444134130 |
6 | 20332455132 |
7 | 3100666220 |
oct | 744177500 |
9 | 284771102 |
10 | 126943040 |
11 | 65724204 |
12 | 3661a4a8 |
13 | 203b8233 |
14 | 12c06080 |
15 | b227b45 |
hex | 790ff40 |
126943040 has 56 divisors (see below), whose sum is σ = 345472512. Its totient is φ = 43522560.
The previous prime is 126943031. The next prime is 126943051. The reversal of 126943040 is 40349621.
It is a tau number, because it is divible by the number of its divisors (56).
It is a super-2 number, since 2×1269430402 = 32229070808883200, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 126942994 and 126943012.
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, 26096 + ... + 30575.
It is an arithmetic number, because the mean of its divisors is an integer number (6169152).
Almost surely, 2126943040 is an apocalyptic number.
126943040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
126943040 is an abundant number, since it is smaller than the sum of its proper divisors (218529472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126943040 is an equidigital number, since it uses as much as digits as its factorization.
126943040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56695 (or 56685 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 29.
The square root of 126943040 is about 11266.9001948184. The cubic root of 126943040 is about 502.5774110751.
The spelling of 126943040 in words is "one hundred twenty-six million, nine hundred forty-three thousand, forty".
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