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230238761 is a prime number
BaseRepresentation
bin11011011100100…
…10101000101001
3121001020100012112
431232102220221
5432420120021
634502452105
75463666014
oct1556225051
9531210175
10230238761
11108a66875
1265134035
1338913b6c
142281437b
151532dd5b
hexdb92a29

230238761 has 2 divisors, whose sum is σ = 230238762. Its totient is φ = 230238760.

The previous prime is 230238683. The next prime is 230238791. The reversal of 230238761 is 167832032.

It is a happy number.

230238761 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., 206813161 + 23425600 = 14381^2 + 4840^2 .

It is a cyclic number.

It is not a de Polignac number, because 230238761 - 210 = 230237737 is a prime.

It is not a weakly prime, because it can be changed into another prime (230238791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115119380 + 115119381.

It is an arithmetic number, because the mean of its divisors is an integer number (115119381).

Almost surely, 2230238761 is an apocalyptic number.

It is an amenable number.

230238761 is a deficient number, since it is larger than the sum of its proper divisors (1).

230238761 is an equidigital number, since it uses as much as digits as its factorization.

230238761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 230238761 is about 15173.6205633329. The cubic root of 230238761 is about 612.9045044786.

The spelling of 230238761 in words is "two hundred thirty million, two hundred thirty-eight thousand, seven hundred sixty-one".