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230686069 is a prime number
BaseRepresentation
bin11011011111111…
…11110101110101
3121002002001210111
431233333311311
5433023423234
634520223021
75500541065
oct1557776565
9532061714
10230686069
11109241949
126530aa71
1338a3c643
14228cd3a5
15153bb664
hexdbffd75

230686069 has 2 divisors, whose sum is σ = 230686070. Its totient is φ = 230686068.

The previous prime is 230686063. The next prime is 230686091. The reversal of 230686069 is 960686032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170824900 + 59861169 = 13070^2 + 7737^2 .

It is a cyclic number.

It is not a de Polignac number, because 230686069 - 211 = 230684021 is a prime.

It is a super-2 number, since 2×2306860692 = 106432124861345522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230686063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115343034 + 115343035.

It is an arithmetic number, because the mean of its divisors is an integer number (115343035).

Almost surely, 2230686069 is an apocalyptic number.

It is an amenable number.

230686069 is a deficient number, since it is larger than the sum of its proper divisors (1).

230686069 is an equidigital number, since it uses as much as digits as its factorization.

230686069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 230686069 is about 15188.3530706920. The cubic root of 230686069 is about 613.3011647891.

The spelling of 230686069 in words is "two hundred thirty million, six hundred eighty-six thousand, sixty-nine".