Base | Representation |
---|---|
bin | 1110100001110000011111 |
3 | 21011110222200 |
4 | 32201300133 |
5 | 1433331122 |
6 | 213342543 |
7 | 44240610 |
oct | 16416037 |
9 | 7143880 |
10 | 3808287 |
11 | 217124a |
12 | 1337a53 |
13 | a34532 |
14 | 711c07 |
15 | 5035ac |
hex | 3a1c1f |
3808287 has 12 divisors (see below), whose sum is σ = 6286800. Its totient is φ = 2176128.
The previous prime is 3808283. The next prime is 3808307. The reversal of 3808287 is 7828083.
It is not a de Polignac number, because 3808287 - 22 = 3808283 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
3808287 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3808283) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30162 + ... + 30287.
It is an arithmetic number, because the mean of its divisors is an integer number (523900).
Almost surely, 23808287 is an apocalyptic number.
3808287 is a deficient number, since it is larger than the sum of its proper divisors (2478513).
3808287 is a wasteful number, since it uses less digits than its factorization.
3808287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60462 (or 60459 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The square root of 3808287 is about 1951.4832820191. The cubic root of 3808287 is about 156.1624294368.
It can be divided in two parts, 3808 and 287, that added together give a triangular number (4095 = T90).
The spelling of 3808287 in words is "three million, eight hundred eight thousand, two hundred eighty-seven".
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