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270805001 is a prime number
BaseRepresentation
bin10000001001000…
…010100000001001
3200212120022121212
4100021002200021
51023311230001
642512142505
76465542645
oct2011024011
9625508555
10270805001
11129953895
1276837a35
134414835c
1427d73c25
1518b937bb
hex10242809

270805001 has 2 divisors, whose sum is σ = 270805002. Its totient is φ = 270805000.

The previous prime is 270804997. The next prime is 270805063. The reversal of 270805001 is 100508072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155027401 + 115777600 = 12451^2 + 10760^2 .

It is a cyclic number.

It is not a de Polignac number, because 270805001 - 22 = 270804997 is a prime.

It is a super-2 number, since 2×2708050012 = 146670697133220002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (270805091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135402500 + 135402501.

It is an arithmetic number, because the mean of its divisors is an integer number (135402501).

Almost surely, 2270805001 is an apocalyptic number.

It is an amenable number.

270805001 is a deficient number, since it is larger than the sum of its proper divisors (1).

270805001 is an equidigital number, since it uses as much as digits as its factorization.

270805001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 270805001 is about 16456.1538945162. The cubic root of 270805001 is about 646.9721111987.

The spelling of 270805001 in words is "two hundred seventy million, eight hundred five thousand, one".