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555000427 is a prime number
BaseRepresentation
bin100001000101001…
…010001001101011
31102200022221110101
4201011022021223
52114040003202
6131023330231
716516266022
oct4105121153
91380287411
10555000427
11265313043
12135a50977
138aca1527
14539d18b9
1533ace887
hex2114a26b

555000427 has 2 divisors, whose sum is σ = 555000428. Its totient is φ = 555000426.

The previous prime is 555000403. The next prime is 555000443. The reversal of 555000427 is 724000555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 555000427 - 215 = 554967659 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 555000395 and 555000404.

It is not a weakly prime, because it can be changed into another prime (555000497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277500213 + 277500214.

It is an arithmetic number, because the mean of its divisors is an integer number (277500214).

Almost surely, 2555000427 is an apocalyptic number.

555000427 is a deficient number, since it is larger than the sum of its proper divisors (1).

555000427 is an equidigital number, since it uses as much as digits as its factorization.

555000427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 555000427 is about 23558.4470413480. The cubic root of 555000427 is about 821.7967872427.

The spelling of 555000427 in words is "five hundred fifty-five million, four hundred twenty-seven", and thus it is an aban number.