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420170711 is a prime number
BaseRepresentation
bin11001000010110…
…100101111010111
31002021121212212012
4121002310233113
51330030430321
6105405414435
713261251332
oct3102645727
91067555765
10420170711
111a61a2524
12b886a41b
136908462c
143db35619
1526d4a05b
hex190b4bd7

420170711 has 2 divisors, whose sum is σ = 420170712. Its totient is φ = 420170710.

The previous prime is 420170701. The next prime is 420170713. The reversal of 420170711 is 117071024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420170711 - 226 = 353061847 is a prime.

Together with 420170713, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420170713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210085355 + 210085356.

It is an arithmetic number, because the mean of its divisors is an integer number (210085356).

Almost surely, 2420170711 is an apocalyptic number.

420170711 is a deficient number, since it is larger than the sum of its proper divisors (1).

420170711 is an equidigital number, since it uses as much as digits as its factorization.

420170711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 420170711 is about 20498.0660307259. The cubic root of 420170711 is about 748.9886879064.

The spelling of 420170711 in words is "four hundred twenty million, one hundred seventy thousand, seven hundred eleven".