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407450161 is a prime number
BaseRepresentation
bin11000010010010…
…011001000110001
31001101200121112201
4120102103020301
51313301401121
6104233023201
713045161226
oct3022231061
91041617481
10407450161
11199aa4378
12b4554b01
136654c691
143c18394d
1525b85e91
hex18493231

407450161 has 2 divisors, whose sum is σ = 407450162. Its totient is φ = 407450160.

The previous prime is 407450137. The next prime is 407450209. The reversal of 407450161 is 161054704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 401761936 + 5688225 = 20044^2 + 2385^2 .

It is a cyclic number.

It is not a de Polignac number, because 407450161 - 219 = 406925873 is a prime.

It is not a weakly prime, because it can be changed into another prime (407450111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203725080 + 203725081.

It is an arithmetic number, because the mean of its divisors is an integer number (203725081).

Almost surely, 2407450161 is an apocalyptic number.

It is an amenable number.

407450161 is a deficient number, since it is larger than the sum of its proper divisors (1).

407450161 is an equidigital number, since it uses as much as digits as its factorization.

407450161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 407450161 is about 20185.3947447158. The cubic root of 407450161 is about 741.3526277145.

The spelling of 407450161 in words is "four hundred seven million, four hundred fifty thousand, one hundred sixty-one".