Base | Representation |
---|---|
bin | 1011100011111111000 |
3 | 201020201022 |
4 | 1130133320 |
5 | 44110442 |
6 | 12042012 |
7 | 3135404 |
oct | 1343770 |
9 | 636638 |
10 | 378872 |
11 | 23971a |
12 | 163308 |
13 | 1035b0 |
14 | 9c104 |
15 | 773d2 |
hex | 5c7f8 |
378872 has 16 divisors (see below), whose sum is σ = 765240. Its totient is φ = 174816.
The previous prime is 378869. The next prime is 378883. The reversal of 378872 is 278873.
It is a happy number.
It is an Ulam number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1718 + ... + 1925.
2378872 is an apocalyptic number.
It is an amenable number.
378872 is an abundant number, since it is smaller than the sum of its proper divisors (386368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378872 is a wasteful number, since it uses less digits than its factorization.
378872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3662 (or 3658 counting only the distinct ones).
The product of its digits is 18816, while the sum is 35.
The square root of 378872 is about 615.5257914986. The cubic root of 378872 is about 72.3598242756.
Subtracting from 378872 its reverse (278873), we obtain a palindrome (99999).
The spelling of 378872 in words is "three hundred seventy-eight thousand, eight hundred seventy-two".
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