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230532689 is a prime number
BaseRepresentation
bin11011011110110…
…10011001010001
3121001210021101202
431233122121101
5433004021224
634513040545
75466331652
oct1557323121
9531707352
10230532689
11109147692
1265256155
13389b789a
142288d529
151538aeae
hexdbda651

230532689 has 2 divisors, whose sum is σ = 230532690. Its totient is φ = 230532688.

The previous prime is 230532667. The next prime is 230532713. The reversal of 230532689 is 986235032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120450625 + 110082064 = 10975^2 + 10492^2 .

It is a cyclic number.

It is not a de Polignac number, because 230532689 - 28 = 230532433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230532619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115266344 + 115266345.

It is an arithmetic number, because the mean of its divisors is an integer number (115266345).

Almost surely, 2230532689 is an apocalyptic number.

It is an amenable number.

230532689 is a deficient number, since it is larger than the sum of its proper divisors (1).

230532689 is an equidigital number, since it uses as much as digits as its factorization.

230532689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 230532689 is about 15183.3029674047. The cubic root of 230532689 is about 613.1652094784.

The spelling of 230532689 in words is "two hundred thirty million, five hundred thirty-two thousand, six hundred eighty-nine".