Search a number
-
+
297088969 is a prime number
BaseRepresentation
bin10001101101010…
…011011111001001
3202201000200110011
4101231103133021
51102023321334
645251351521
710235133412
oct2155233711
9681020404
10297088969
11142776381
12835b25a1
134971bab8
142b656809
151b136564
hex11b537c9

297088969 has 2 divisors, whose sum is σ = 297088970. Its totient is φ = 297088968.

The previous prime is 297088931. The next prime is 297088973. The reversal of 297088969 is 969880792.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168039369 + 129049600 = 12963^2 + 11360^2 .

It is a cyclic number.

It is not a de Polignac number, because 297088969 - 221 = 294991817 is a prime.

It is a super-2 number, since 2×2970889692 = 176523711002965922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (297088919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148544484 + 148544485.

It is an arithmetic number, because the mean of its divisors is an integer number (148544485).

Almost surely, 2297088969 is an apocalyptic number.

It is an amenable number.

297088969 is a deficient number, since it is larger than the sum of its proper divisors (1).

297088969 is an equidigital number, since it uses as much as digits as its factorization.

297088969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 58.

The square root of 297088969 is about 17236.2689988292. The cubic root of 297088969 is about 667.2606418275.

The spelling of 297088969 in words is "two hundred ninety-seven million, eighty-eight thousand, nine hundred sixty-nine".