Base | Representation |
---|---|
bin | 1011011001000110001100 |
3 | 12121201112200 |
4 | 23121012030 |
5 | 1231031010 |
6 | 144001500 |
7 | 34245435 |
oct | 13310614 |
9 | 5551480 |
10 | 2986380 |
11 | 175a791 |
12 | 1000290 |
13 | 8073b7 |
14 | 57a48c |
15 | 3decc0 |
hex | 2d918c |
2986380 has 72 divisors (see below), whose sum is σ = 9277632. Its totient is φ = 777216.
The previous prime is 2986367. The next prime is 2986387. The reversal of 2986380 is 836892.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (2986387) 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, 8284 + ... + 8636.
It is an arithmetic number, because the mean of its divisors is an integer number (128856).
22986380 is an apocalyptic number.
2986380 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 2986380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4638816).
2986380 is an abundant number, since it is smaller than the sum of its proper divisors (6291252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2986380 is a wasteful number, since it uses less digits than its factorization.
2986380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 415 (or 410 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 2986380 is about 1728.1145795346. The cubic root of 2986380 is about 144.0063654594.
The spelling of 2986380 in words is "two million, nine hundred eighty-six thousand, three hundred eighty".
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