Base | Representation |
---|---|
bin | 1011010111110001000000 |
3 | 12121110001202 |
4 | 23113301000 |
5 | 1230342203 |
6 | 143520332 |
7 | 34223516 |
oct | 13276100 |
9 | 5543052 |
10 | 2980928 |
11 | 1756685 |
12 | bb90a8 |
13 | 804a82 |
14 | 5784b6 |
15 | 3dd388 |
hex | 2d7c40 |
2980928 has 28 divisors (see below), whose sum is σ = 6047232. Its totient is φ = 1457280.
The previous prime is 2980921. The next prime is 2980931. The reversal of 2980928 is 8290892.
It is a junction number, because it is equal to n+sod(n) for n = 2980891 and 2980900.
It is not an unprimeable number, because it can be changed into a prime (2980921) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2513 + ... + 3503.
22980928 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2980928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3023616).
2980928 is an abundant number, since it is smaller than the sum of its proper divisors (3066304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2980928 is an equidigital number, since it uses as much as digits as its factorization.
2980928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1050 (or 1040 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 38.
The square root of 2980928 is about 1726.5364172238. The cubic root of 2980928 is about 143.9186783634.
The spelling of 2980928 in words is "two million, nine hundred eighty thousand, nine hundred twenty-eight".
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