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427420793 is a prime number
BaseRepresentation
bin11001011110011…
…110110001111001
31002210021020002202
4121132132301321
51333404431133
6110225035545
713410005522
oct3136366171
91083236082
10427420793
111aa2a4628
12bb185bb5
136a722617
1440aa1849
15277cd2e8
hex1979ec79

427420793 has 2 divisors, whose sum is σ = 427420794. Its totient is φ = 427420792.

The previous prime is 427420787. The next prime is 427420811. The reversal of 427420793 is 397024724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275958544 + 151462249 = 16612^2 + 12307^2 .

It is a cyclic number.

It is not a de Polignac number, because 427420793 - 212 = 427416697 is a prime.

It is not a weakly prime, because it can be changed into another prime (427420193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213710396 + 213710397.

It is an arithmetic number, because the mean of its divisors is an integer number (213710397).

Almost surely, 2427420793 is an apocalyptic number.

It is an amenable number.

427420793 is a deficient number, since it is larger than the sum of its proper divisors (1).

427420793 is an equidigital number, since it uses as much as digits as its factorization.

427420793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 427420793 is about 20674.1576128267. The cubic root of 427420793 is about 753.2720995773.

The spelling of 427420793 in words is "four hundred twenty-seven million, four hundred twenty thousand, seven hundred ninety-three".