Base | Representation |
---|---|
bin | 1110110101011… |
… | …01001010000101 |
3 | 22200011021021010 |
4 | 13122231022011 |
5 | 223324104341 |
6 | 20203112433 |
7 | 3040506252 |
oct | 732551205 |
9 | 280137233 |
10 | 124441221 |
11 | 64275593 |
12 | 35812719 |
13 | 1ca20578 |
14 | 12754429 |
15 | add1716 |
hex | 76ad285 |
124441221 has 8 divisors (see below), whose sum is σ = 166081120. Its totient is φ = 82881072.
The previous prime is 124441193. The next prime is 124441231. The reversal of 124441221 is 122144421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 124441221 - 217 = 124310149 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124441231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16195 + ... + 22608.
It is an arithmetic number, because the mean of its divisors is an integer number (20760140).
Almost surely, 2124441221 is an apocalyptic number.
It is an amenable number.
124441221 is a deficient number, since it is larger than the sum of its proper divisors (41639899).
124441221 is a wasteful number, since it uses less digits than its factorization.
124441221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39875.
The product of its digits is 512, while the sum is 21.
The square root of 124441221 is about 11155.3225412805. The cubic root of 124441221 is about 499.2538484028.
Adding to 124441221 its reverse (122144421), we get a palindrome (246585642).
The spelling of 124441221 in words is "one hundred twenty-four million, four hundred forty-one thousand, two hundred twenty-one".
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