Base | Representation |
---|---|
bin | 1110011100110… |
… | …11110010100010 |
3 | 22110002211112220 |
4 | 13032123302202 |
5 | 222013134404 |
6 | 20010131510 |
7 | 3001250526 |
oct | 716336242 |
9 | 273084486 |
10 | 121224354 |
11 | 62478719 |
12 | 34720b96 |
13 | 1c1652b4 |
14 | 12157d86 |
15 | a9984d9 |
hex | 739bca2 |
121224354 has 8 divisors (see below), whose sum is σ = 242448720. Its totient is φ = 40408116.
The previous prime is 121224343. The next prime is 121224359. The reversal of 121224354 is 453422121.
It is a sphenic number, since it is the product of 3 distinct primes.
121224354 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (121224359) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10102024 + ... + 10102035.
It is an arithmetic number, because the mean of its divisors is an integer number (30306090).
Almost surely, 2121224354 is an apocalyptic number.
121224354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121224354 is a wasteful number, since it uses less digits than its factorization.
121224354 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20204064.
The product of its digits is 1920, while the sum is 24.
The square root of 121224354 is about 11010.1931863160. The cubic root of 121224354 is about 494.9142510378.
Adding to 121224354 its reverse (453422121), we get a palindrome (574646475).
The spelling of 121224354 in words is "one hundred twenty-one million, two hundred twenty-four thousand, three hundred fifty-four".
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