Base | Representation |
---|---|
bin | 1110100110111… |
… | …01001100001110 |
3 | 22112120201101200 |
4 | 13103131030032 |
5 | 222332301224 |
6 | 20054250330 |
7 | 3015402564 |
oct | 723351416 |
9 | 275521350 |
10 | 122540814 |
11 | 63197800 |
12 | 350569a6 |
13 | 1c506576 |
14 | 123bba34 |
15 | ab585c9 |
hex | 74dd30e |
122540814 has 36 divisors (see below), whose sum is σ = 291841368. Its totient is φ = 37132920.
The previous prime is 122540813. The next prime is 122540819. The reversal of 122540814 is 418045221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122540813) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25954 + ... + 30309.
Almost surely, 2122540814 is an apocalyptic number.
122540814 is an abundant number, since it is smaller than the sum of its proper divisors (169300554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122540814 is a wasteful number, since it uses less digits than its factorization.
122540814 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56293 (or 56279 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 27.
The square root of 122540814 is about 11069.8154456161. The cubic root of 122540814 is about 496.6993446261.
The spelling of 122540814 in words is "one hundred twenty-two million, five hundred forty thousand, eight hundred fourteen".
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