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420612301 = 1289326309
BaseRepresentation
bin11001000100100…
…000100011001101
31002022110022121101
4121010200203031
51330134043201
6105423103101
713265100634
oct3104404315
91068408541
10420612301
111a647427a
12b8a41a91
13691aa625
143dc0c51b
1526dd5d01
hex191208cd

420612301 has 4 divisors (see below), whose sum is σ = 420939900. Its totient is φ = 420284704.

The previous prime is 420612287. The next prime is 420612359. The reversal of 420612301 is 103216024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 136656100 + 283956201 = 11690^2 + 16851^2 .

It is a cyclic number.

It is not a de Polignac number, because 420612301 - 213 = 420604109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420612001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161866 + ... + 164443.

It is an arithmetic number, because the mean of its divisors is an integer number (105234975).

Almost surely, 2420612301 is an apocalyptic number.

It is an amenable number.

420612301 is a deficient number, since it is larger than the sum of its proper divisors (327599).

420612301 is a wasteful number, since it uses less digits than its factorization.

420612301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327598.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 420612301 is about 20508.8347060480. The cubic root of 420612301 is about 749.2509861459.

Adding to 420612301 its reverse (103216024), we get a palindrome (523828325).

The spelling of 420612301 in words is "four hundred twenty million, six hundred twelve thousand, three hundred one".

Divisors: 1 1289 326309 420612301