Base | Representation |
---|---|
bin | 1001011111111001111110 |
3 | 11200111121120 |
4 | 21133321332 |
5 | 1114134412 |
6 | 125211410 |
7 | 30110265 |
oct | 11377176 |
9 | 4614546 |
10 | 2489982 |
11 | 1450840 |
12 | a00b66 |
13 | 692481 |
14 | 48b5dc |
15 | 342b8c |
hex | 25fe7e |
2489982 has 32 divisors (see below), whose sum is σ = 5612544. Its totient is φ = 729600.
The previous prime is 2489947. The next prime is 2489999. The reversal of 2489982 is 2899842.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1438 + ... + 2654.
It is an arithmetic number, because the mean of its divisors is an integer number (175392).
22489982 is an apocalyptic number.
2489982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 2489982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2806272).
2489982 is an abundant number, since it is smaller than the sum of its proper divisors (3122562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2489982 is a wasteful number, since it uses less digits than its factorization.
2489982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1264.
The product of its digits is 82944, while the sum is 42.
The square root of 2489982 is about 1577.9676802774. The cubic root of 2489982 is about 135.5393512337.
It can be divided in two parts, 2 and 489982, that added together give a palindrome (489984).
The spelling of 2489982 in words is "two million, four hundred eighty-nine thousand, nine hundred eighty-two".
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