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420103373 is a prime number
BaseRepresentation
bin11001000010100…
…100010011001101
31002021111110111012
4121002210103031
51330021301443
6105404135005
713260551114
oct3102442315
91067443435
10420103373
111a6156978
12b8837465
136905caa1
143db18c7b
1526d35118
hex190a44cd

420103373 has 2 divisors, whose sum is σ = 420103374. Its totient is φ = 420103372.

The previous prime is 420103301. The next prime is 420103391. The reversal of 420103373 is 373301024.

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., 411359524 + 8743849 = 20282^2 + 2957^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-420103373 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420109373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210051686 + 210051687.

It is an arithmetic number, because the mean of its divisors is an integer number (210051687).

Almost surely, 2420103373 is an apocalyptic number.

It is an amenable number.

420103373 is a deficient number, since it is larger than the sum of its proper divisors (1).

420103373 is an equidigital number, since it uses as much as digits as its factorization.

420103373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 420103373 is about 20496.4234197091. The cubic root of 420103373 is about 748.9486739362.

Adding to 420103373 its reverse (373301024), we get a palindrome (793404397).

The spelling of 420103373 in words is "four hundred twenty million, one hundred three thousand, three hundred seventy-three".