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301192421 = 486161961
BaseRepresentation
bin10001111100111…
…101010011100101
3202222202011022212
4101330331103211
51104101124141
645515333205
710315044005
oct2174752345
9688664285
10301192421
11145019362
1284a51205
134a52778a
142c004005
151b6972eb
hex11f3d4e5

301192421 has 4 divisors (see below), whose sum is σ = 301259244. Its totient is φ = 301125600.

The previous prime is 301192391. The next prime is 301192433. The reversal of 301192421 is 124291103.

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 271096225 + 30096196 = 16465^2 + 5486^2 .

It is a cyclic number.

It is not a de Polignac number, because 301192421 - 26 = 301192357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301192471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26120 + ... + 35841.

It is an arithmetic number, because the mean of its divisors is an integer number (75314811).

Almost surely, 2301192421 is an apocalyptic number.

It is an amenable number.

301192421 is a deficient number, since it is larger than the sum of its proper divisors (66823).

301192421 is an equidigital number, since it uses as much as digits as its factorization.

301192421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66822.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 301192421 is about 17354.8961679406. The cubic root of 301192421 is about 670.3187174502.

The spelling of 301192421 in words is "three hundred one million, one hundred ninety-two thousand, four hundred twenty-one".

Divisors: 1 4861 61961 301192421