Base | Representation |
---|---|
bin | 11010001010000… |
… | …111101001000000 |
3 | 1010120210102020010 |
4 | 122022013221000 |
5 | 1344322012402 |
6 | 111314144520 |
7 | 13606152150 |
oct | 3212075100 |
9 | 1116712203 |
10 | 438860352 |
11 | 2057a8307 |
12 | 102b82140 |
13 | 6cbc94a8 |
14 | 423dc760 |
15 | 287dca6c |
hex | 1a287a40 |
438860352 has 224 divisors, whose sum is σ = 1387839744. Its totient is φ = 119808000.
The previous prime is 438860341. The next prime is 438860353. The reversal of 438860352 is 253068834.
It is a tau number, because it is divible by the number of its divisors (224).
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 438860352.
It is not an unprimeable number, because it can be changed into a prime (438860353) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4345102 + ... + 4345202.
Almost surely, 2438860352 is an apocalyptic number.
438860352 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 438860352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693919872).
438860352 is an abundant number, since it is smaller than the sum of its proper divisors (948979392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
438860352 is a wasteful number, since it uses less digits than its factorization.
438860352 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 237 (or 227 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 39.
The square root of 438860352 is about 20948.9940569947. The cubic root of 438860352 is about 759.9332536027.
The spelling of 438860352 in words is "four hundred thirty-eight million, eight hundred sixty thousand, three hundred fifty-two".
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