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229627213 is a prime number
BaseRepresentation
bin11011010111111…
…01010101001101
3121000002021022121
431223331111031
5432241032323
634441412541
75455541044
oct1553752515
9530067277
10229627213
11108689362
1264a9a151
133875b6ba
14226d555b
151525ca5d
hexdafd54d

229627213 has 2 divisors, whose sum is σ = 229627214. Its totient is φ = 229627212.

The previous prime is 229627091. The next prime is 229627259. The reversal of 229627213 is 312726922.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183142089 + 46485124 = 13533^2 + 6818^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-229627213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229627813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114813606 + 114813607.

It is an arithmetic number, because the mean of its divisors is an integer number (114813607).

Almost surely, 2229627213 is an apocalyptic number.

It is an amenable number.

229627213 is a deficient number, since it is larger than the sum of its proper divisors (1).

229627213 is an equidigital number, since it uses as much as digits as its factorization.

229627213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 229627213 is about 15153.4554805166. The cubic root of 229627213 is about 612.3613684861.

The spelling of 229627213 in words is "two hundred twenty-nine million, six hundred twenty-seven thousand, two hundred thirteen".