Base | Representation |
---|---|
bin | 1111000101001… |
… | …01010011111110 |
3 | 22211001011221020 |
4 | 13202211103332 |
5 | 224341144423 |
6 | 20315245010 |
7 | 3064166565 |
oct | 742452376 |
9 | 284034836 |
10 | 126506238 |
11 | 65456011 |
12 | 36449766 |
13 | 20294481 |
14 | 12b30bdc |
15 | b18d4e3 |
hex | 78a54fe |
126506238 has 32 divisors (see below), whose sum is σ = 262870272. Its totient is φ = 40555200.
The previous prime is 126506227. The next prime is 126506239. The reversal of 126506238 is 832605621.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 126506199 and 126506208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (126506239) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13845 + ... + 21087.
It is an arithmetic number, because the mean of its divisors is an integer number (8214696).
Almost surely, 2126506238 is an apocalyptic number.
126506238 is an abundant number, since it is smaller than the sum of its proper divisors (136364034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126506238 is a wasteful number, since it uses less digits than its factorization.
126506238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7360.
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 126506238 is about 11247.4991887086. The cubic root of 126506238 is about 502.0003042278. Note that the first 3 decimals are identical.
The spelling of 126506238 in words is "one hundred twenty-six million, five hundred six thousand, two hundred thirty-eight".
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