Base | Representation |
---|---|
bin | 1110100110000… |
… | …11000101110101 |
3 | 22112101021202020 |
4 | 13103003011311 |
5 | 222320341114 |
6 | 20052103353 |
7 | 3014446113 |
oct | 723030565 |
9 | 275337666 |
10 | 122433909 |
11 | 63124454 |
12 | 35004b59 |
13 | 1c499a00 |
14 | 12390ab3 |
15 | ab36aa9 |
hex | 74c3175 |
122433909 has 24 divisors (see below), whose sum is σ = 179808480. Its totient is φ = 74048832.
The previous prime is 122433889. The next prime is 122433931. The reversal of 122433909 is 909334221.
It is not a de Polignac number, because 122433909 - 28 = 122433653 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 122433909.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122433979) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27867 + ... + 31959.
It is an arithmetic number, because the mean of its divisors is an integer number (7492020).
Almost surely, 2122433909 is an apocalyptic number.
It is an amenable number.
122433909 is a deficient number, since it is larger than the sum of its proper divisors (57374571).
122433909 is a wasteful number, since it uses less digits than its factorization.
122433909 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4181 (or 4168 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 33.
The square root of 122433909 is about 11064.9857207319. The cubic root of 122433909 is about 496.5548619006.
The spelling of 122433909 in words is "one hundred twenty-two million, four hundred thirty-three thousand, nine hundred nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •