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232210189 is a prime number
BaseRepresentation
bin11011101011100…
…11111100001101
3121011221111111101
431311303330031
5433421211224
635013023101
75516516431
oct1565637415
9534844441
10232210189
1110a092a52
1265924a91
13391542a3
1422ba89c1
15155bd044
hexdd73f0d

232210189 has 2 divisors, whose sum is σ = 232210190. Its totient is φ = 232210188.

The previous prime is 232210177. The next prime is 232210193. The reversal of 232210189 is 981012232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209960100 + 22250089 = 14490^2 + 4717^2 .

It is a cyclic number.

It is not a de Polignac number, because 232210189 - 27 = 232210061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232210169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116105094 + 116105095.

It is an arithmetic number, because the mean of its divisors is an integer number (116105095).

Almost surely, 2232210189 is an apocalyptic number.

It is an amenable number.

232210189 is a deficient number, since it is larger than the sum of its proper divisors (1).

232210189 is an equidigital number, since it uses as much as digits as its factorization.

232210189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 232210189 is about 15238.4444416089. Note that the first 5 decimals coincide. The cubic root of 232210189 is about 614.6488744132.

The spelling of 232210189 in words is "two hundred thirty-two million, two hundred ten thousand, one hundred eighty-nine".