Base | Representation |
---|---|
bin | 10111111110011… |
… | …01110111001000 |
3 | 112000110000110020 |
4 | 23333031313020 |
5 | 402441334344 |
6 | 31542420440 |
7 | 4661334153 |
oct | 1377156710 |
9 | 460400406 |
10 | 201121224 |
11 | a3589397 |
12 | 57431720 |
13 | 3288a755 |
14 | 1c9d4c9a |
15 | 129cb719 |
hex | bfcddc8 |
201121224 has 16 divisors (see below), whose sum is σ = 502803120. Its totient is φ = 67040400.
The previous prime is 201121183. The next prime is 201121229. The reversal of 201121224 is 422121102.
It is not an unprimeable number, because it can be changed into a prime (201121229) 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, 4190002 + ... + 4190049.
It is an arithmetic number, because the mean of its divisors is an integer number (31425195).
Almost surely, 2201121224 is an apocalyptic number.
201121224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
201121224 is an abundant number, since it is smaller than the sum of its proper divisors (301681896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201121224 is a wasteful number, since it uses less digits than its factorization.
201121224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8380060 (or 8380056 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 201121224 is about 14181.7214751948. The cubic root of 201121224 is about 585.8943380957.
Adding to 201121224 its reverse (422121102), we get a palindrome (623242326).
The spelling of 201121224 in words is "two hundred one million, one hundred twenty-one thousand, two hundred twenty-four".
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