Base | Representation |
---|---|
bin | 1111001101101011001010 |
3 | 21111121202000 |
4 | 33031223022 |
5 | 2010110140 |
6 | 221251430 |
7 | 45620214 |
oct | 17155312 |
9 | 7447660 |
10 | 3988170 |
11 | 228440a |
12 | 1403b76 |
13 | a98384 |
14 | 75b5b4 |
15 | 53ba30 |
hex | 3cdaca |
3988170 has 32 divisors (see below), whose sum is σ = 10635840. Its totient is φ = 1063440.
The previous prime is 3988151. The next prime is 3988213. The reversal of 3988170 is 718893.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7116 + ... + 7655.
It is an arithmetic number, because the mean of its divisors is an integer number (332370).
Almost surely, 23988170 is an apocalyptic number.
3988170 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
3988170 is an abundant number, since it is smaller than the sum of its proper divisors (6647670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3988170 is a wasteful number, since it uses less digits than its factorization.
3988170 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14787 (or 14781 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 36.
The square root of 3988170 is about 1997.0403100589. The cubic root of 3988170 is about 158.5834593815.
It can be divided in two parts, 39 and 88170, that added together give a square (88209 = 2972).
The spelling of 3988170 in words is "three million, nine hundred eighty-eight thousand, one hundred seventy".
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