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300112221 = 3100037407
BaseRepresentation
bin10001111000110…
…101100101011101
3202220201021120110
4101320311211131
51103312042341
645440240233
710302624513
oct2170654535
9686637513
10300112221
11144450832
1284610079
134a239bc6
142bc024b3
151b532216
hex11e3595d

300112221 has 4 divisors (see below), whose sum is σ = 400149632. Its totient is φ = 200074812.

The previous prime is 300112171. The next prime is 300112283. The reversal of 300112221 is 122211003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 300112221 - 222 = 295917917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 300112197 and 300112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300112121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50018701 + ... + 50018706.

It is an arithmetic number, because the mean of its divisors is an integer number (100037408).

Almost surely, 2300112221 is an apocalyptic number.

It is an amenable number.

300112221 is a deficient number, since it is larger than the sum of its proper divisors (100037411).

300112221 is a wasteful number, since it uses less digits than its factorization.

300112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100037410.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 300112221 is about 17323.7473140196. The cubic root of 300112221 is about 669.5164112708.

Adding to 300112221 its reverse (122211003), we get a palindrome (422323224).

The spelling of 300112221 in words is "three hundred million, one hundred twelve thousand, two hundred twenty-one".

Divisors: 1 3 100037407 300112221