Base | Representation |
---|---|
bin | 11010000111000… |
… | …001011010110000 |
3 | 1010112021011111000 |
4 | 122013001122300 |
5 | 1344120022212 |
6 | 111244522000 |
7 | 13566231063 |
oct | 3207013260 |
9 | 1115234430 |
10 | 438048432 |
11 | 2052a32a8 |
12 | 102850300 |
13 | 6c9a3a73 |
14 | 4226a8da |
15 | 286cc1dc |
hex | 1a1c16b0 |
438048432 has 80 divisors (see below), whose sum is σ = 1312058880. Its totient is φ = 139664448.
The previous prime is 438048431. The next prime is 438048473. The reversal of 438048432 is 234840834.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (438048431) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12108 + ... + 31979.
It is an arithmetic number, because the mean of its divisors is an integer number (16400736).
Almost surely, 2438048432 is an apocalyptic number.
It is an amenable number.
438048432 is an abundant number, since it is smaller than the sum of its proper divisors (874010448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
438048432 is a wasteful number, since it uses less digits than its factorization.
438048432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44127 (or 44115 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 36.
The square root of 438048432 is about 20929.6065897092. The cubic root of 438048432 is about 759.4643224300.
The spelling of 438048432 in words is "four hundred thirty-eight million, forty-eight thousand, four hundred thirty-two".
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