Search a number
-
+
288430061 is a prime number
BaseRepresentation
bin10001001100010…
…001011111101101
3202002201202122212
4101030101133231
51042314230221
644342020205
710101420653
oct2114213755
9662652585
10288430061
111388a1857
1280717665
13479a979a
142a440dd3
151a4c5b5b
hex113117ed

288430061 has 2 divisors, whose sum is σ = 288430062. Its totient is φ = 288430060.

The previous prime is 288430057. The next prime is 288430091. The reversal of 288430061 is 160034882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239289961 + 49140100 = 15469^2 + 7010^2 .

It is a cyclic number.

It is not a de Polignac number, because 288430061 - 22 = 288430057 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (288430031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144215030 + 144215031.

It is an arithmetic number, because the mean of its divisors is an integer number (144215031).

Almost surely, 2288430061 is an apocalyptic number.

It is an amenable number.

288430061 is a deficient number, since it is larger than the sum of its proper divisors (1).

288430061 is an equidigital number, since it uses as much as digits as its factorization.

288430061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 288430061 is about 16983.2288155109. The cubic root of 288430061 is about 660.7139969762.

The spelling of 288430061 in words is "two hundred eighty-eight million, four hundred thirty thousand, sixty-one".