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300020231 = 799742989
BaseRepresentation
bin10001111000011…
…111001000000111
3202220112121101102
4101320133020013
51103301121411
645434250315
710302062360
oct2170371007
9686477342
10300020231
11144398705
128458699b
134a207084
142bbbab67
151b514d3b
hex11e1f207

300020231 has 8 divisors (see below), whose sum is σ = 343232160. Its totient is φ = 256896288.

The previous prime is 300020221. The next prime is 300020269. The reversal of 300020231 is 132020003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-300020231 is a prime.

It is a super-2 number, since 2×3000202312 = 180024278018586722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300020221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14516 + ... + 28473.

It is an arithmetic number, because the mean of its divisors is an integer number (42904020).

Almost surely, 2300020231 is an apocalyptic number.

300020231 is a deficient number, since it is larger than the sum of its proper divisors (43211929).

300020231 is an equidigital number, since it uses as much as digits as its factorization.

300020231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43993.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 300020231 is about 17321.0920845078. The cubic root of 300020231 is about 669.4479978528.

Adding to 300020231 its reverse (132020003), we get a palindrome (432040234).

The spelling of 300020231 in words is "three hundred million, twenty thousand, two hundred thirty-one".

Divisors: 1 7 997 6979 42989 300923 42860033 300020231