Base | Representation |
---|---|
bin | 11010000110111… |
… | …111000110111000 |
3 | 1010112020200111111 |
4 | 122012333012320 |
5 | 1344114221333 |
6 | 111244410104 |
7 | 13566161353 |
oct | 3206770670 |
9 | 1115220444 |
10 | 438038968 |
11 | 205297184 |
12 | 102846934 |
13 | 6c99c673 |
14 | 4226729a |
15 | 286c94cd |
hex | 1a1bf1b8 |
438038968 has 32 divisors (see below), whose sum is σ = 851608800. Its totient is φ = 210978432.
The previous prime is 438038947. The next prime is 438038969. The reversal of 438038968 is 869830834.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (438038969) 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, 111046 + ... + 114922.
It is an arithmetic number, because the mean of its divisors is an integer number (26612775).
Almost surely, 2438038968 is an apocalyptic number.
It is an amenable number.
438038968 is a deficient number, since it is larger than the sum of its proper divisors (413569832).
438038968 is a wasteful number, since it uses less digits than its factorization.
438038968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4399 (or 4395 counting only the distinct ones).
The product of its (nonzero) digits is 995328, while the sum is 49.
The square root of 438038968 is about 20929.3804972818. The cubic root of 438038968 is about 759.4588530027.
The spelling of 438038968 in words is "four hundred thirty-eight million, thirty-eight thousand, nine hundred sixty-eight".
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