Base | Representation |
---|---|
bin | 1011011000100100011100 |
3 | 12121121120200 |
4 | 23120210130 |
5 | 1230443340 |
6 | 143543500 |
7 | 34236231 |
oct | 13304434 |
9 | 5547520 |
10 | 2984220 |
11 | 17590a8 |
12 | bbab90 |
13 | 806415 |
14 | 579788 |
15 | 3de330 |
hex | 2d891c |
2984220 has 72 divisors (see below), whose sum is σ = 9238320. Its totient is φ = 779520.
The previous prime is 2984209. The next prime is 2984221. The reversal of 2984220 is 224892.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2984221) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10480 + ... + 10760.
It is an arithmetic number, because the mean of its divisors is an integer number (128310).
22984220 is an apocalyptic number.
2984220 is a gapful number since it is divisible by the number (20) 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 2984220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4619160).
2984220 is an abundant number, since it is smaller than the sum of its proper divisors (6254100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2984220 is a wasteful number, since it uses less digits than its factorization.
2984220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 355 (or 350 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 2984220 is about 1727.4895079276. The cubic root of 2984220 is about 143.9716379327.
The spelling of 2984220 in words is "two million, nine hundred eighty-four thousand, two hundred twenty".
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