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427847141 is a prime number
BaseRepresentation
bin11001100000000…
…110110111100101
31002211001212221102
4121200012313211
51334012102031
6110242125445
713413432521
oct3140066745
91084055842
10427847141
111aa565987
12bb350885
136a8416b7
1440b72d81
15278647cb
hex19806de5

427847141 has 2 divisors, whose sum is σ = 427847142. Its totient is φ = 427847140.

The previous prime is 427847083. The next prime is 427847159. The reversal of 427847141 is 141748724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 260144641 + 167702500 = 16129^2 + 12950^2 .

It is a cyclic number.

It is not a de Polignac number, because 427847141 - 214 = 427830757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 427847095 and 427847104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427847171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213923570 + 213923571.

It is an arithmetic number, because the mean of its divisors is an integer number (213923571).

Almost surely, 2427847141 is an apocalyptic number.

It is an amenable number.

427847141 is a deficient number, since it is larger than the sum of its proper divisors (1).

427847141 is an equidigital number, since it uses as much as digits as its factorization.

427847141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50176, while the sum is 38.

The square root of 427847141 is about 20684.4661763363. The cubic root of 427847141 is about 753.5224768278.

The spelling of 427847141 in words is "four hundred twenty-seven million, eight hundred forty-seven thousand, one hundred forty-one".