Base | Representation |
---|---|
bin | 1111100011101011010000 |
3 | 21200012100201 |
4 | 33203223100 |
5 | 2021001123 |
6 | 223224544 |
7 | 46444024 |
oct | 17435320 |
9 | 7605321 |
10 | 4078288 |
11 | 2336095 |
12 | 1448154 |
13 | aca3b6 |
14 | 782384 |
15 | 5585ad |
hex | 3e3ad0 |
4078288 has 30 divisors (see below), whose sum is σ = 8214194. Its totient is φ = 1960128.
The previous prime is 4078273. The next prime is 4078301. The reversal of 4078288 is 8828704.
It can be written as a sum of positive squares in only one way, i.e., 3968064 + 110224 = 1992^2 + 332^2 .
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49095 + ... + 49177.
Almost surely, 24078288 is an apocalyptic number.
It is an amenable number.
4078288 is an abundant number, since it is smaller than the sum of its proper divisors (4135906).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4078288 is an equidigital number, since it uses as much as digits as its factorization.
4078288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 211 (or 122 counting only the distinct ones).
The product of its (nonzero) digits is 28672, while the sum is 37.
The square root of 4078288 is about 2019.4771600590. The cubic root of 4078288 is about 159.7690417748.
Multiplying 4078288 by its sum of digits (37), we get a square (150896656 = 122842).
4078288 divided by its sum of digits (37) gives a square (110224 = 3322).
The spelling of 4078288 in words is "four million, seventy-eight thousand, two hundred eighty-eight".
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