Base | Representation |
---|---|
bin | 1110101001100… |
… | …11100010011101 |
3 | 22120020200112220 |
4 | 13110303202131 |
5 | 222430110433 |
6 | 20110015553 |
7 | 3021404661 |
oct | 724634235 |
9 | 276220486 |
10 | 122894493 |
11 | 634094a7 |
12 | 351a75b9 |
13 | 1c5cb547 |
14 | 124708a1 |
15 | abc82b3 |
hex | 753389d |
122894493 has 16 divisors (see below), whose sum is σ = 166239360. Its totient is φ = 80745984.
The previous prime is 122894491. The next prime is 122894503. The reversal of 122894493 is 394498221.
It is not a de Polignac number, because 122894493 - 21 = 122894491 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122894491) 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, 115080 + ... + 116142.
It is an arithmetic number, because the mean of its divisors is an integer number (10389960).
Almost surely, 2122894493 is an apocalyptic number.
It is an amenable number.
122894493 is a deficient number, since it is larger than the sum of its proper divisors (43344867).
122894493 is a wasteful number, since it uses less digits than its factorization.
122894493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1588.
The product of its digits is 124416, while the sum is 42.
The square root of 122894493 is about 11085.7788630299. The cubic root of 122894493 is about 497.1767458095.
The spelling of 122894493 in words is "one hundred twenty-two million, eight hundred ninety-four thousand, four hundred ninety-three".
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