Base | Representation |
---|---|
bin | 1111000111101… |
… | …10111010100110 |
3 | 22211200011102210 |
4 | 13203312322212 |
5 | 224432343421 |
6 | 20330344250 |
7 | 3100061223 |
oct | 743667246 |
9 | 284604383 |
10 | 126840486 |
11 | 65664153 |
12 | 3658b086 |
13 | 20380656 |
14 | 12bba94a |
15 | b207576 |
hex | 78f6ea6 |
126840486 has 32 divisors (see below), whose sum is σ = 258202080. Its totient is φ = 41533184.
The previous prime is 126840481. The next prime is 126840487. The reversal of 126840486 is 684048621.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (126840481) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91696 + ... + 93068.
It is an arithmetic number, because the mean of its divisors is an integer number (8068815).
Almost surely, 2126840486 is an apocalyptic number.
126840486 is an abundant number, since it is smaller than the sum of its proper divisors (131361594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126840486 is a wasteful number, since it uses less digits than its factorization.
126840486 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1640.
The product of its (nonzero) digits is 73728, while the sum is 39.
The square root of 126840486 is about 11262.3481565791. The cubic root of 126840486 is about 502.4420348474.
The spelling of 126840486 in words is "one hundred twenty-six million, eight hundred forty thousand, four hundred eighty-six".
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