Base | Representation |
---|---|
bin | 1110100010111000100001 |
3 | 21011201022102 |
4 | 32202320201 |
5 | 1434003042 |
6 | 213420145 |
7 | 44260214 |
oct | 16427041 |
9 | 7151272 |
10 | 3812897 |
11 | 2174760 |
12 | 133a655 |
13 | a3666a |
14 | 71377b |
15 | 504b32 |
hex | 3a2e21 |
3812897 has 4 divisors (see below), whose sum is σ = 4159536. Its totient is φ = 3466260.
The previous prime is 3812843. The next prime is 3812899. The reversal of 3812897 is 7982183.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7982183 = 11 ⋅725653.
It is a cyclic number.
It is not a de Polignac number, because 3812897 - 212 = 3808801 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 3812897.
It is not an unprimeable number, because it can be changed into a prime (3812899) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173303 + ... + 173324.
It is an arithmetic number, because the mean of its divisors is an integer number (1039884).
Almost surely, 23812897 is an apocalyptic number.
It is an amenable number.
3812897 is a deficient number, since it is larger than the sum of its proper divisors (346639).
3812897 is a wasteful number, since it uses less digits than its factorization.
3812897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 346638.
The product of its digits is 24192, while the sum is 38.
The square root of 3812897 is about 1952.6640776129. The cubic root of 3812897 is about 156.2254165057.
The spelling of 3812897 in words is "three million, eight hundred twelve thousand, eight hundred ninety-seven".
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