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229881233 is a prime number
BaseRepresentation
bin11011011001110…
…11010110010001
3121000120011202202
431230323112101
5432322144413
634451052545
75460646451
oct1554732621
9530504682
10229881233
1110884219a
1264ba1155
133881a1ca
142275dd61
15152ace58
hexdb3b591

229881233 has 2 divisors, whose sum is σ = 229881234. Its totient is φ = 229881232.

The previous prime is 229881227. The next prime is 229881241. The reversal of 229881233 is 332188922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224760064 + 5121169 = 14992^2 + 2263^2 .

It is a cyclic number.

It is not a de Polignac number, because 229881233 - 226 = 162772369 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (229881263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114940616 + 114940617.

It is an arithmetic number, because the mean of its divisors is an integer number (114940617).

Almost surely, 2229881233 is an apocalyptic number.

It is an amenable number.

229881233 is a deficient number, since it is larger than the sum of its proper divisors (1).

229881233 is an equidigital number, since it uses as much as digits as its factorization.

229881233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 229881233 is about 15161.8347504515. The cubic root of 229881233 is about 612.5870889910.

The spelling of 229881233 in words is "two hundred twenty-nine million, eight hundred eighty-one thousand, two hundred thirty-three".