Base | Representation |
---|---|
bin | 11010011111100… |
… | …001001010001110 |
3 | 1010222100102002020 |
4 | 122133201022032 |
5 | 1402241014102 |
6 | 112034311010 |
7 | 14004634422 |
oct | 3237411216 |
9 | 1128312066 |
10 | 444469902 |
11 | 2089898a8 |
12 | 104a28466 |
13 | 71111856 |
14 | 4305cb82 |
15 | 29049bbc |
hex | 1a7e128e |
444469902 has 8 divisors (see below), whose sum is σ = 888939816. Its totient is φ = 148156632.
The previous prime is 444469891. The next prime is 444469903. The reversal of 444469902 is 209964444.
It is a sphenic number, since it is the product of 3 distinct primes.
444469902 is an admirable number.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (444469903) 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, 37039153 + ... + 37039164.
It is an arithmetic number, because the mean of its divisors is an integer number (111117477).
Almost surely, 2444469902 is an apocalyptic number.
444469902 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.
444469902 is a wasteful number, since it uses less digits than its factorization.
444469902 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74078322.
The product of its (nonzero) digits is 248832, while the sum is 42.
The square root of 444469902 is about 21082.4548380875. The cubic root of 444469902 is about 763.1573989039.
The spelling of 444469902 in words is "four hundred forty-four million, four hundred sixty-nine thousand, nine hundred two".
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