Search a number
-
+
280841083 is a prime number
BaseRepresentation
bin10000101111010…
…100101101111011
3201120110012112121
4100233110231323
51033343403313
643511222111
76650052445
oct2057245573
9646405477
10280841083
11134589076
127a077937
1346250473
1429427495
15199c728d
hex10bd4b7b

280841083 has 2 divisors, whose sum is σ = 280841084. Its totient is φ = 280841082.

The previous prime is 280841009. The next prime is 280841089. The reversal of 280841083 is 380148082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 280841083 - 213 = 280832891 is a prime.

It is a super-2 number, since 2×2808410832 = 157743427801225778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (280841089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140420541 + 140420542.

It is an arithmetic number, because the mean of its divisors is an integer number (140420542).

Almost surely, 2280841083 is an apocalyptic number.

280841083 is a deficient number, since it is larger than the sum of its proper divisors (1).

280841083 is an equidigital number, since it uses as much as digits as its factorization.

280841083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 280841083 is about 16758.3138471625. The cubic root of 280841083 is about 654.8676639587.

The spelling of 280841083 in words is "two hundred eighty million, eight hundred forty-one thousand, eighty-three".