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420230297 is a prime number
BaseRepresentation
bin11001000011000…
…011010010011001
31002021201220121002
4121003003102121
51330034332142
6105410554345
713261620134
oct3103032231
91067656532
10420230297
111a6233273
12b88989b5
13690a57a6
143db4d21b
1526d5ca32
hex190c3499

420230297 has 2 divisors, whose sum is σ = 420230298. Its totient is φ = 420230296.

The previous prime is 420230249. The next prime is 420230339. The reversal of 420230297 is 792032024.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 334926601 + 85303696 = 18301^2 + 9236^2 .

It is a cyclic number.

It is not a de Polignac number, because 420230297 - 26 = 420230233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (420230597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210115148 + 210115149.

It is an arithmetic number, because the mean of its divisors is an integer number (210115149).

Almost surely, 2420230297 is an apocalyptic number.

It is an amenable number.

420230297 is a deficient number, since it is larger than the sum of its proper divisors (1).

420230297 is an equidigital number, since it uses as much as digits as its factorization.

420230297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 420230297 is about 20499.5194333916. The cubic root of 420230297 is about 749.0240918737.

The spelling of 420230297 in words is "four hundred twenty million, two hundred thirty thousand, two hundred ninety-seven".