Base | Representation |
---|---|
bin | 1110110100001… |
… | …01111001001010 |
3 | 22122212002122120 |
4 | 13122011321022 |
5 | 223303433034 |
6 | 20155432110 |
7 | 3036236340 |
oct | 732057112 |
9 | 278762576 |
10 | 124280394 |
11 | 64175777 |
12 | 35755636 |
13 | 1c9952c4 |
14 | 12711990 |
15 | ad9dc49 |
hex | 7685e4a |
124280394 has 32 divisors (see below), whose sum is σ = 284484480. Its totient is φ = 35456832.
The previous prime is 124280381. The next prime is 124280417. The reversal of 124280394 is 493082421.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34092 + ... + 37560.
It is an arithmetic number, because the mean of its divisors is an integer number (8890140).
Almost surely, 2124280394 is an apocalyptic number.
124280394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
124280394 is an abundant number, since it is smaller than the sum of its proper divisors (160204086).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124280394 is a wasteful number, since it uses less digits than its factorization.
124280394 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4334.
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 124280394 is about 11148.1116786656. Note that the first 3 decimals coincide. The cubic root of 124280394 is about 499.0386782388.
The spelling of 124280394 in words is "one hundred twenty-four million, two hundred eighty thousand, three hundred ninety-four".
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