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427252361 is a prime number
BaseRepresentation
bin11001011101110…
…101101010001001
31002202221200001112
4121131311222021
51333334033421
6110221300105
713405404464
oct3135655211
91082850045
10427252361
111aa19a028
12bb104635
136a693a63
1440a5a2db
152779845b
hex19775a89

427252361 has 2 divisors, whose sum is σ = 427252362. Its totient is φ = 427252360.

The previous prime is 427252339. The next prime is 427252379. The reversal of 427252361 is 163252724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217002361 + 210250000 = 14731^2 + 14500^2 .

It is a cyclic number.

It is not a de Polignac number, because 427252361 - 210 = 427251337 is a prime.

It is a super-4 number, since 4×4272523614 (a number of 36 digits) contains 4444 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (427252561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213626180 + 213626181.

It is an arithmetic number, because the mean of its divisors is an integer number (213626181).

Almost surely, 2427252361 is an apocalyptic number.

It is an amenable number.

427252361 is a deficient number, since it is larger than the sum of its proper divisors (1).

427252361 is an equidigital number, since it uses as much as digits as its factorization.

427252361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 32.

The square root of 427252361 is about 20670.0837201981. The cubic root of 427252361 is about 753.1731402709.

The spelling of 427252361 in words is "four hundred twenty-seven million, two hundred fifty-two thousand, three hundred sixty-one".