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407479057 is a prime number
BaseRepresentation
bin11000010010011…
…010001100010001
31001101202002011221
4120102122030101
51313303312212
6104233405041
713045341406
oct3022321421
91041662157
10407479057
1119a014057
12b4569781
136655c88b
143c1902ad
1525b8e807
hex1849a311

407479057 has 2 divisors, whose sum is σ = 407479058. Its totient is φ = 407479056.

The previous prime is 407479043. The next prime is 407479067. The reversal of 407479057 is 750974704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 379431441 + 28047616 = 19479^2 + 5296^2 .

It is a cyclic number.

It is not a de Polignac number, because 407479057 - 215 = 407446289 is a prime.

It is not a weakly prime, because it can be changed into another prime (407479027) 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, 203739528 + 203739529.

It is an arithmetic number, because the mean of its divisors is an integer number (203739529).

Almost surely, 2407479057 is an apocalyptic number.

It is an amenable number.

407479057 is a deficient number, since it is larger than the sum of its proper divisors (1).

407479057 is an equidigital number, since it uses as much as digits as its factorization.

407479057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 407479057 is about 20186.1104970720. The cubic root of 407479057 is about 741.3701526547.

The spelling of 407479057 in words is "four hundred seven million, four hundred seventy-nine thousand, fifty-seven".