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420434041 is a prime number
BaseRepresentation
bin11001000011110…
…101000001111001
31002022010021002011
4121003311001321
51330112342131
6105415205521
713263426136
oct3103650171
91068107064
10420434041
111a6362355
12b89768a1
1369147451
143dba358d
1526d9d0b1
hex190f5079

420434041 has 2 divisors, whose sum is σ = 420434042. Its totient is φ = 420434040.

The previous prime is 420434011. The next prime is 420434081. The reversal of 420434041 is 140434024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420250000 + 184041 = 20500^2 + 429^2 .

It is a cyclic number.

It is not a de Polignac number, because 420434041 - 25 = 420434009 is a prime.

It is not a weakly prime, because it can be changed into another prime (420434011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210217020 + 210217021.

It is an arithmetic number, because the mean of its divisors is an integer number (210217021).

Almost surely, 2420434041 is an apocalyptic number.

It is an amenable number.

420434041 is a deficient number, since it is larger than the sum of its proper divisors (1).

420434041 is an equidigital number, since it uses as much as digits as its factorization.

420434041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 420434041 is about 20504.4883135376. The cubic root of 420434041 is about 749.1451243240.

Adding to 420434041 its reverse (140434024), we get a palindrome (560868065).

The spelling of 420434041 in words is "four hundred twenty million, four hundred thirty-four thousand, forty-one".