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232229891 is a prime number
BaseRepresentation
bin11011101011110…
…00110000000011
3121011222111112002
431311320300003
5433422324031
635013254215
75516631035
oct1565706003
9534874462
10232229891
1110a0a6833
126593436b
133916024a
1422bb1c55
15155c3ccb
hexdd78c03

232229891 has 2 divisors, whose sum is σ = 232229892. Its totient is φ = 232229890.

The previous prime is 232229869. The next prime is 232229909. The reversal of 232229891 is 198922232.

232229891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 232229891 - 214 = 232213507 is a prime.

It is not a weakly prime, because it can be changed into another prime (232229821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116114945 + 116114946.

It is an arithmetic number, because the mean of its divisors is an integer number (116114946).

Almost surely, 2232229891 is an apocalyptic number.

232229891 is a deficient number, since it is larger than the sum of its proper divisors (1).

232229891 is an equidigital number, since it uses as much as digits as its factorization.

232229891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 232229891 is about 15239.0908849577. The cubic root of 232229891 is about 614.6662573278. Note that the first 3 decimals are identical.

The spelling of 232229891 in words is "two hundred thirty-two million, two hundred twenty-nine thousand, eight hundred ninety-one".