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406368229 is a prime number
BaseRepresentation
bin11000001110001…
…010111111100101
31001022122122102011
4120032022333211
51313012240404
6104153514221
713033034011
oct3016127745
91038578364
10406368229
11199425513
12b4112971
1366261097
143bd81541
1525a20604
hex1838afe5

406368229 has 2 divisors, whose sum is σ = 406368230. Its totient is φ = 406368228.

The previous prime is 406368197. The next prime is 406368253. The reversal of 406368229 is 922863604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 405216900 + 1151329 = 20130^2 + 1073^2 .

It is a cyclic number.

It is not a de Polignac number, because 406368229 - 25 = 406368197 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 406368191 and 406368200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406368829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203184114 + 203184115.

It is an arithmetic number, because the mean of its divisors is an integer number (203184115).

Almost surely, 2406368229 is an apocalyptic number.

It is an amenable number.

406368229 is a deficient number, since it is larger than the sum of its proper divisors (1).

406368229 is an equidigital number, since it uses as much as digits as its factorization.

406368229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 406368229 is about 20158.5770579176. The cubic root of 406368229 is about 740.6958568917.

The spelling of 406368229 in words is "four hundred six million, three hundred sixty-eight thousand, two hundred twenty-nine".