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233914489 is a prime number
BaseRepresentation
bin11011111000101…
…00000001111001
3121022011002100121
431330110001321
5434340230424
635113333241
75540145304
oct1574240171
9538132317
10233914489
11110047466
1266407221
13395ccc53
14230cdb3b
1515807ee4
hexdf14079

233914489 has 2 divisors, whose sum is σ = 233914490. Its totient is φ = 233914488.

The previous prime is 233914477. The next prime is 233914537. The reversal of 233914489 is 984419332.

233914489 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 can be written as a sum of positive squares in only one way, i.e., 215355625 + 18558864 = 14675^2 + 4308^2 .

It is a cyclic number.

It is not a de Polignac number, because 233914489 - 215 = 233881721 is a prime.

It is a super-2 number, since 2×2339144892 = 109431976328262242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (233914459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116957244 + 116957245.

It is an arithmetic number, because the mean of its divisors is an integer number (116957245).

Almost surely, 2233914489 is an apocalyptic number.

It is an amenable number.

233914489 is a deficient number, since it is larger than the sum of its proper divisors (1).

233914489 is an equidigital number, since it uses as much as digits as its factorization.

233914489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 43.

The square root of 233914489 is about 15294.2632709131. The cubic root of 233914489 is about 616.1489430488.

The spelling of 233914489 in words is "two hundred thirty-three million, nine hundred fourteen thousand, four hundred eighty-nine".