Base | Representation |
---|---|
bin | 1011010111101111011001 |
3 | 12121102220221 |
4 | 23113233121 |
5 | 1230341300 |
6 | 143520041 |
7 | 34223311 |
oct | 13275731 |
9 | 5542827 |
10 | 2980825 |
11 | 17565a1 |
12 | bb9021 |
13 | 804a03 |
14 | 578441 |
15 | 3dd31a |
hex | 2d7bd9 |
2980825 has 6 divisors (see below), whose sum is σ = 3696254. Its totient is φ = 2384640.
The previous prime is 2980819. The next prime is 2980829. The reversal of 2980825 is 5280892.
2980825 = T320 + T321 + ... + T369.
It can be written as a sum of positive squares in 3 ways, for example, as 8649 + 2972176 = 93^2 + 1724^2 .
It is not a de Polignac number, because 2980825 - 27 = 2980697 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2980829) 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, 59592 + ... + 59641.
22980825 is an apocalyptic number.
2980825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2980825 is a deficient number, since it is larger than the sum of its proper divisors (715429).
2980825 is a wasteful number, since it uses less digits than its factorization.
2980825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119243 (or 119238 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 34.
The square root of 2980825 is about 1726.5065884612. The cubic root of 2980825 is about 143.9170207370.
The spelling of 2980825 in words is "two million, nine hundred eighty thousand, eight hundred twenty-five".
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