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230233139 is a prime number
BaseRepresentation
bin11011011100100…
…01010000110011
3121001020001111022
431232101100303
5432414430024
634502410055
75463643433
oct1556212063
9531201438
10230233139
11108a62624
126513092b
1338911436
14228122c3
151532c35e
hexdb91433

230233139 has 2 divisors, whose sum is σ = 230233140. Its totient is φ = 230233138.

The previous prime is 230233123. The next prime is 230233169. The reversal of 230233139 is 931332032.

230233139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230233139 - 24 = 230233123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230233109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115116569 + 115116570.

It is an arithmetic number, because the mean of its divisors is an integer number (115116570).

Almost surely, 2230233139 is an apocalyptic number.

230233139 is a deficient number, since it is larger than the sum of its proper divisors (1).

230233139 is an equidigital number, since it uses as much as digits as its factorization.

230233139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 230233139 is about 15173.4353064822. The cubic root of 230233139 is about 612.8995157774.

It can be divided in two parts, 23023 and 3139, that added together give a palindrome (26162).

The spelling of 230233139 in words is "two hundred thirty million, two hundred thirty-three thousand, one hundred thirty-nine".