Base | Representation |
---|---|
bin | 111100011100101… |
… | …0111000001000001 |
3 | 12020100121102211011 |
4 | 1320321113001001 |
5 | 13123221134101 |
6 | 533133320521 |
7 | 101156200036 |
oct | 17071270101 |
9 | 5210542734 |
10 | 2028302401 |
11 | 950a18684 |
12 | 487336141 |
13 | 2642a6748 |
14 | 15354538d |
15 | bd103751 |
hex | 78e57041 |
2028302401 has 2 divisors, whose sum is σ = 2028302402. Its totient is φ = 2028302400.
The previous prime is 2028302359. The next prime is 2028302407. The reversal of 2028302401 is 1042038202.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1481865025 + 546437376 = 38495^2 + 23376^2 .
It is a cyclic number.
It is not a de Polignac number, because 2028302401 - 211 = 2028300353 is a prime.
It is a super-3 number, since 3×20283024013 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not a weakly prime, because it can be changed into another prime (2028302407) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014151200 + 1014151201.
It is an arithmetic number, because the mean of its divisors is an integer number (1014151201).
Almost surely, 22028302401 is an apocalyptic number.
It is an amenable number.
2028302401 is a deficient number, since it is larger than the sum of its proper divisors (1).
2028302401 is an equidigital number, since it uses as much as digits as its factorization.
2028302401 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 768, while the sum is 22.
The square root of 2028302401 is about 45036.6783966136. The cubic root of 2028302401 is about 1265.8363658824.
The spelling of 2028302401 in words is "two billion, twenty-eight million, three hundred two thousand, four hundred one".
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