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230032189 is a prime number
BaseRepresentation
bin11011011011000…
…00001100111101
3121000211211211201
431231200030331
5432342012224
634454215501
75462145532
oct1555401475
9530754751
10230032189
11108935652
1265054591
1338870b2a
142279cd89
15152dca44
hexdb6033d

230032189 has 2 divisors, whose sum is σ = 230032190. Its totient is φ = 230032188.

The previous prime is 230032171. The next prime is 230032207. The reversal of 230032189 is 981230032.

It is a balanced prime because it is at equal distance from previous prime (230032171) and next prime (230032207).

It can be written as a sum of positive squares in only one way, i.e., 220760164 + 9272025 = 14858^2 + 3045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230032189 is a prime.

It is a super-2 number, since 2×2300321892 = 105829615952263442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230032109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115016094 + 115016095.

It is an arithmetic number, because the mean of its divisors is an integer number (115016095).

Almost surely, 2230032189 is an apocalyptic number.

It is an amenable number.

230032189 is a deficient number, since it is larger than the sum of its proper divisors (1).

230032189 is an equidigital number, since it uses as much as digits as its factorization.

230032189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 230032189 is about 15166.8120908779. The cubic root of 230032189 is about 612.7211487418.

The spelling of 230032189 in words is "two hundred thirty million, thirty-two thousand, one hundred eighty-nine".