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230447117 is a prime number
BaseRepresentation
bin11011011110001…
…01100000001101
3121001121221000102
431233011200031
5432443301432
634511140445
75465524325
oct1557054015
9531557012
10230447117
1110909936a
1265214725
1338987954
142286a285
1515370962
hexdbc580d

230447117 has 2 divisors, whose sum is σ = 230447118. Its totient is φ = 230447116.

The previous prime is 230447059. The next prime is 230447123. The reversal of 230447117 is 711744032.

230447117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197430601 + 33016516 = 14051^2 + 5746^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230447117 is a prime.

It is a super-2 number, since 2×2304471172 = 106211747467223378, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230447117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230447177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115223558 + 115223559.

It is an arithmetic number, because the mean of its divisors is an integer number (115223559).

Almost surely, 2230447117 is an apocalyptic number.

It is an amenable number.

230447117 is a deficient number, since it is larger than the sum of its proper divisors (1).

230447117 is an equidigital number, since it uses as much as digits as its factorization.

230447117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 230447117 is about 15180.4847419310. The cubic root of 230447117 is about 613.0893326516.

The spelling of 230447117 in words is "two hundred thirty million, four hundred forty-seven thousand, one hundred seventeen".