Search a number
-
+
288364331 is a prime number
BaseRepresentation
bin10001001100000…
…001011100101011
3202002121102111102
4101030001130223
51042310124311
644340352015
710101025223
oct2114013453
9662542442
10288364331
11138857432
12806a560b
13479858a8
142a425083
151a4b143b
hex1130172b

288364331 has 2 divisors, whose sum is σ = 288364332. Its totient is φ = 288364330.

The previous prime is 288364301. The next prime is 288364339. The reversal of 288364331 is 133463882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 288364331 - 26 = 288364267 is a prime.

It is a super-2 number, since 2×2883643312 = 166307974786155122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (288364339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144182165 + 144182166.

It is an arithmetic number, because the mean of its divisors is an integer number (144182166).

Almost surely, 2288364331 is an apocalyptic number.

288364331 is a deficient number, since it is larger than the sum of its proper divisors (1).

288364331 is an equidigital number, since it uses as much as digits as its factorization.

288364331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 38.

The square root of 288364331 is about 16981.2935608569. The cubic root of 288364331 is about 660.6638033749.

The spelling of 288364331 in words is "two hundred eighty-eight million, three hundred sixty-four thousand, three hundred thirty-one".