Base | Representation |
---|---|
bin | 1100001110010000… |
… | …0001000001010001 |
3 | 22110122202222210021 |
4 | 3003210001001101 |
5 | 23204413422411 |
6 | 1301323103441 |
7 | 144210012145 |
oct | 30344010121 |
9 | 8418688707 |
10 | 3280998481 |
11 | 14340467a2 |
12 | 776971b81 |
13 | 40398b527 |
14 | 231a71225 |
15 | 14309ca71 |
hex | c3901051 |
3280998481 has 2 divisors, whose sum is σ = 3280998482. Its totient is φ = 3280998480.
The previous prime is 3280998463. The next prime is 3280998493. The reversal of 3280998481 is 1848990823.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 3280998400 + 81 = 57280^2 + 9^2 .
It is a cyclic number.
It is not a de Polignac number, because 3280998481 - 25 = 3280998449 is a prime.
It is a super-2 number, since 2×32809984812 = 21529902064648614722, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (3280998401) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640499240 + 1640499241.
It is an arithmetic number, because the mean of its divisors is an integer number (1640499241).
Almost surely, 23280998481 is an apocalyptic number.
It is an amenable number.
3280998481 is a deficient number, since it is larger than the sum of its proper divisors (1).
3280998481 is an equidigital number, since it uses as much as digits as its factorization.
3280998481 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 995328, while the sum is 52.
The square root of 3280998481 is about 57280.0007070531. Note that the first 3 decimals coincide. The cubic root of 3280998481 is about 1485.9425187303.
It can be divided in two parts, 32809984 and 81, that multiplied together give a square (2657608704 = 515522).
The spelling of 3280998481 in words is "three billion, two hundred eighty million, nine hundred ninety-eight thousand, four hundred eighty-one".
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