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230429993 is a prime number
BaseRepresentation
bin11011011110000…
…01010100101001
3121001121001112012
431233001110221
5432442224433
634510525305
75465423363
oct1557012451
9531531465
10230429993
11109087512
1265206835
133897cc11
1422863d33
151536a848
hexdbc1529

230429993 has 2 divisors, whose sum is σ = 230429994. Its totient is φ = 230429992.

The previous prime is 230429959. The next prime is 230430017. The reversal of 230429993 is 399924032.

230429993 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., 185967769 + 44462224 = 13637^2 + 6668^2 .

It is a cyclic number.

It is not a de Polignac number, because 230429993 - 210 = 230428969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230429993.

It is not a weakly prime, because it can be changed into another prime (230429923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115214996 + 115214997.

It is an arithmetic number, because the mean of its divisors is an integer number (115214997).

Almost surely, 2230429993 is an apocalyptic number.

It is an amenable number.

230429993 is a deficient number, since it is larger than the sum of its proper divisors (1).

230429993 is an equidigital number, since it uses as much as digits as its factorization.

230429993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 230429993 is about 15179.9207178430. The cubic root of 230429993 is about 613.0741465185.

The spelling of 230429993 in words is "two hundred thirty million, four hundred twenty-nine thousand, nine hundred ninety-three".