Base | Representation |
---|---|
bin | 1110101100001… |
… | …10110010100101 |
3 | 22120220000022112 |
4 | 13112012302211 |
5 | 223022013433 |
6 | 20121210405 |
7 | 3024325103 |
oct | 726066245 |
9 | 276800275 |
10 | 123235493 |
11 | 63621717 |
12 | 35330a05 |
13 | 1c6ba814 |
14 | 1251cc73 |
15 | ac44348 |
hex | 7586ca5 |
123235493 has 8 divisors (see below), whose sum is σ = 127874712. Its totient is φ = 118665216.
The previous prime is 123235421. The next prime is 123235559. The reversal of 123235493 is 394532321.
It can be written as a sum of positive squares in 4 ways, for example, as 35307364 + 87928129 = 5942^2 + 9377^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 123235493 - 210 = 123234469 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123235093) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13580 + ... + 20757.
It is an arithmetic number, because the mean of its divisors is an integer number (15984339).
Almost surely, 2123235493 is an apocalyptic number.
It is an amenable number.
123235493 is a deficient number, since it is larger than the sum of its proper divisors (4639219).
123235493 is an equidigital number, since it uses as much as digits as its factorization.
123235493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34471.
The product of its digits is 19440, while the sum is 32.
The square root of 123235493 is about 11101.1482739400. The cubic root of 123235493 is about 497.6361661907.
The spelling of 123235493 in words is "one hundred twenty-three million, two hundred thirty-five thousand, four hundred ninety-three".
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