Base | Representation |
---|---|
bin | 1110101001100… |
… | …01000001111000 |
3 | 22120020011110021 |
4 | 13110301001320 |
5 | 222424243331 |
6 | 20105500224 |
7 | 3021333010 |
oct | 724610170 |
9 | 276204407 |
10 | 122884216 |
11 | 63401804 |
12 | 351a1674 |
13 | 1c5c6970 |
14 | 1246ac40 |
15 | abc5211 |
hex | 7531078 |
122884216 has 128 divisors (see below), whose sum is σ = 304819200. Its totient is φ = 45112320.
The previous prime is 122884199. The next prime is 122884219. The reversal of 122884216 is 612488221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122884219) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 686415 + ... + 686593.
It is an arithmetic number, because the mean of its divisors is an integer number (2381400).
Almost surely, 2122884216 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122884216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152409600).
122884216 is an abundant number, since it is smaller than the sum of its proper divisors (181934984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122884216 is a wasteful number, since it uses less digits than its factorization.
122884216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 269 (or 265 counting only the distinct ones).
The product of its digits is 12288, while the sum is 34.
The square root of 122884216 is about 11085.3153315546. The cubic root of 122884216 is about 497.1628866915.
The spelling of 122884216 in words is "one hundred twenty-two million, eight hundred eighty-four thousand, two hundred sixteen".
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