Base | Representation |
---|---|
bin | 1110111110111111100101 |
3 | 21101120020212 |
4 | 32332333211 |
5 | 2001144122 |
6 | 220105205 |
7 | 45250001 |
oct | 16767745 |
9 | 7346225 |
10 | 3928037 |
11 | 2243213 |
12 | 1395205 |
13 | a76ba9 |
14 | 743701 |
15 | 528ce2 |
hex | 3befe5 |
3928037 has 8 divisors (see below), whose sum is σ = 4181400. Its totient is φ = 3677184.
The previous prime is 3928027. The next prime is 3928039. The reversal of 3928037 is 7308293.
It can be written as a sum of positive squares in 4 ways, for example, as 1635841 + 2292196 = 1279^2 + 1514^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 3928037 - 210 = 3927013 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3927994 and 3928012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3928039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3389 + ... + 4397.
It is an arithmetic number, because the mean of its divisors is an integer number (522675).
Almost surely, 23928037 is an apocalyptic number.
It is an amenable number.
3928037 is a deficient number, since it is larger than the sum of its proper divisors (253363).
3928037 is a wasteful number, since it uses less digits than its factorization.
3928037 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1255.
The product of its (nonzero) digits is 9072, while the sum is 32.
The square root of 3928037 is about 1981.9275970630. The cubic root of 3928037 is about 157.7823874905.
The spelling of 3928037 in words is "three million, nine hundred twenty-eight thousand, thirty-seven".
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