Base | Representation |
---|---|
bin | 111100100111000000000 |
3 | 10201220100100 |
4 | 13210320000 |
5 | 1002023143 |
6 | 110322400 |
7 | 22611141 |
oct | 7447000 |
9 | 3656310 |
10 | 1986048 |
11 | 1137169 |
12 | 7b9400 |
13 | 546c9c |
14 | 399ac8 |
15 | 2936d3 |
hex | 1e4e00 |
1986048 has 60 divisors (see below), whose sum is σ = 5745168. Its totient is φ = 660480.
The previous prime is 1986043. The next prime is 1986053. The reversal of 1986048 is 8406891.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (1986043) and next prime (1986053).
It is a super-4 number, since 4×19860484 (a number of 26 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1986043) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4393 + ... + 4823.
21986048 is an apocalyptic number.
1986048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1986048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2872584).
1986048 is an abundant number, since it is smaller than the sum of its proper divisors (3759120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1986048 is an equidigital number, since it uses as much as digits as its factorization.
1986048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 455 (or 436 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
The square root of 1986048 is about 1409.2721525667. The cubic root of 1986048 is about 125.6984474340.
It can be divided in two parts, 1 and 986048, that added together give a square (986049 = 9932).
The spelling of 1986048 in words is "one million, nine hundred eighty-six thousand, forty-eight".
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