Base | Representation |
---|---|
bin | 1110110000110100011110 |
3 | 21021121121200 |
4 | 32300310132 |
5 | 1442314412 |
6 | 214540330 |
7 | 44615514 |
oct | 16606436 |
9 | 7247550 |
10 | 3869982 |
11 | 2203636 |
12 | 13676a6 |
13 | a5663c |
14 | 72a4b4 |
15 | 5169dc |
hex | 3b0d1e |
3869982 has 24 divisors (see below), whose sum is σ = 8878896. Its totient is φ = 1214016.
The previous prime is 3869959. The next prime is 3869989. The reversal of 3869982 is 2899683.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3869989) 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, 6018 + ... + 6629.
It is an arithmetic number, because the mean of its divisors is an integer number (369954).
Almost surely, 23869982 is an apocalyptic number.
3869982 is an abundant number, since it is smaller than the sum of its proper divisors (5008914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3869982 is a wasteful number, since it uses less digits than its factorization.
3869982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12672 (or 12669 counting only the distinct ones).
The product of its digits is 186624, while the sum is 45.
The square root of 3869982 is about 1967.2269823282. The cubic root of 3869982 is about 157.0012035555.
Subtracting from 3869982 its reverse (2899683), we obtain a cube (970299 = 993).
It can be divided in two parts, 38699 and 82, that added together give a triangular number (38781 = T278).
The spelling of 3869982 in words is "three million, eight hundred sixty-nine thousand, nine hundred eighty-two".
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