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300020093 = 1210124793
BaseRepresentation
bin10001111000011…
…111000101111101
3202220112121012022
4101320133011331
51103301120333
645434245525
710302062102
oct2170370575
9686477168
10300020093
1114439859a
12845868a5
134a206ca9
142bbbaaa9
151b514c98
hex11e1f17d

300020093 has 4 divisors (see below), whose sum is σ = 300056988. Its totient is φ = 299983200.

The previous prime is 300020081. The next prime is 300020107. The reversal of 300020093 is 390020003.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 297838564 + 2181529 = 17258^2 + 1477^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-300020093 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 (300020003) 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, 296 + ... + 24497.

It is an arithmetic number, because the mean of its divisors is an integer number (75014247).

Almost surely, 2300020093 is an apocalyptic number.

It is an amenable number.

300020093 is a deficient number, since it is larger than the sum of its proper divisors (36895).

300020093 is a wasteful number, since it uses less digits than its factorization.

300020093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36894.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 300020093 is about 17321.0881009248. The cubic root of 300020093 is about 669.4478952110.

Adding to 300020093 its reverse (390020003), we get a palindrome (690040096).

The spelling of 300020093 in words is "three hundred million, twenty thousand, ninety-three".

Divisors: 1 12101 24793 300020093