Base | Representation |
---|---|
bin | 1110100101110… |
… | …01010111100111 |
3 | 22112022021010100 |
4 | 13102321113213 |
5 | 222313102322 |
6 | 20051155143 |
7 | 3014222034 |
oct | 722712747 |
9 | 275267110 |
10 | 122394087 |
11 | 630a7542 |
12 | 34ba5ab3 |
13 | 1c48484a |
14 | 1238038b |
15 | ab29dac |
hex | 74b95e7 |
122394087 has 24 divisors (see below), whose sum is σ = 179262720. Its totient is φ = 80465040.
The previous prime is 122394071. The next prime is 122394089. The reversal of 122394087 is 780493221.
122394087 is a `hidden beast` number, since 12 + 239 + 408 + 7 = 666.
It is not a de Polignac number, because 122394087 - 24 = 122394071 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122394089) 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 23 ways as a sum of consecutive naturals, for example, 283762 + ... + 284192.
It is an arithmetic number, because the mean of its divisors is an integer number (7469280).
Almost surely, 2122394087 is an apocalyptic number.
122394087 is a deficient number, since it is larger than the sum of its proper divisors (56868633).
122394087 is a wasteful number, since it uses less digits than its factorization.
122394087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 803 (or 800 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 122394087 is about 11063.1861143163. The cubic root of 122394087 is about 496.5010207383.
The spelling of 122394087 in words is "one hundred twenty-two million, three hundred ninety-four thousand, eighty-seven".
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