Base | Representation |
---|---|
bin | 1110011111111100100111 |
3 | 21011002211000 |
4 | 32133330213 |
5 | 1433111441 |
6 | 213244343 |
7 | 44210154 |
oct | 16377447 |
9 | 7132730 |
10 | 3800871 |
11 | 2166718 |
12 | 13336b3 |
13 | a31049 |
14 | 70d22b |
15 | 5012b6 |
hex | 39ff27 |
3800871 has 8 divisors (see below), whose sum is σ = 5630960. Its totient is φ = 2533896.
The previous prime is 3800861. The next prime is 3800887. The reversal of 3800871 is 1780083.
It is not a de Polignac number, because 3800871 - 26 = 3800807 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 140773 = 3800871 / (3 + 8 + 0 + 0 + 8 + 7 + 1).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3800801) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70360 + ... + 70413.
It is an arithmetic number, because the mean of its divisors is an integer number (703870).
Almost surely, 23800871 is an apocalyptic number.
3800871 is a deficient number, since it is larger than the sum of its proper divisors (1830089).
3800871 is a wasteful number, since it uses less digits than its factorization.
3800871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140782 (or 140776 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 27.
The square root of 3800871 is about 1949.5822629476. The cubic root of 3800871 is about 156.0609968568.
The spelling of 3800871 in words is "three million, eight hundred thousand, eight hundred seventy-one".
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