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300243121 = 8316721661
BaseRepresentation
bin10001111001010…
…101100010110001
3202220221221010121
4101321111202301
51103330234441
645443130241
710304011243
oct2171254261
9686857117
10300243121
11144530112
1284673981
134a284669
142bc38093
151b55add1
hex11e558b1

300243121 has 8 divisors (see below), whose sum is σ = 305694144. Its totient is φ = 294835920.

The previous prime is 300243107. The next prime is 300243179. The reversal of 300243121 is 121342003.

It is a happy number.

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

It is not a de Polignac number, because 300243121 - 25 = 300243089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 300243095 and 300243104.

It is not an unprimeable number, because it can be changed into a prime (300240121) 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, 3031 + ... + 24691.

It is an arithmetic number, because the mean of its divisors is an integer number (38211768).

Almost surely, 2300243121 is an apocalyptic number.

It is an amenable number.

300243121 is a deficient number, since it is larger than the sum of its proper divisors (5451023).

300243121 is a wasteful number, since it uses less digits than its factorization.

300243121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21911.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 300243121 is about 17327.5249530913. The cubic root of 300243121 is about 669.6137381519.

Adding to 300243121 its reverse (121342003), we get a palindrome (421585124).

The spelling of 300243121 in words is "three hundred million, two hundred forty-three thousand, one hundred twenty-one".

Divisors: 1 83 167 13861 21661 1797863 3617387 300243121