Base | Representation |
---|---|
bin | 11000010111111… |
… | …111110111111001 |
3 | 1001111111111212120 |
4 | 120113333313321 |
5 | 1314142202441 |
6 | 104325031453 |
7 | 13063652625 |
oct | 3027776771 |
9 | 1044444776 |
10 | 408944121 |
11 | 19a924853 |
12 | b4b55589 |
13 | 66953691 |
14 | 3c452185 |
15 | 25d7d966 |
hex | 185ffdf9 |
408944121 has 8 divisors (see below), whose sum is σ = 545360544. Its totient is φ = 272578560.
The previous prime is 408944119. The next prime is 408944153. The reversal of 408944121 is 121449804.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 408944121 - 21 = 408944119 is a prime.
It is not an unprimeable number, because it can be changed into a prime (408944101) 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, 14170 + ... + 31916.
It is an arithmetic number, because the mean of its divisors is an integer number (68170068).
Almost surely, 2408944121 is an apocalyptic number.
It is an amenable number.
408944121 is a deficient number, since it is larger than the sum of its proper divisors (136416423).
408944121 is a wasteful number, since it uses less digits than its factorization.
408944121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25431.
The product of its (nonzero) digits is 9216, while the sum is 33.
The square root of 408944121 is about 20222.3668496049. The cubic root of 408944121 is about 742.2576056940.
The spelling of 408944121 in words is "four hundred eight million, nine hundred forty-four thousand, one hundred twenty-one".
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