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304150117 = 571753201
BaseRepresentation
bin10010001000001…
…111011001100101
3210012022102112011
4102020033121211
51110330300432
650102554221
710352143015
oct2210173145
9705272464
10304150117
11146759537
1285a38971
134b021aab
142c573c45
151ba7d847
hex1220f665

304150117 has 4 divisors (see below), whose sum is σ = 304209036. Its totient is φ = 304091200.

The previous prime is 304150109. The next prime is 304150139. The reversal of 304150117 is 711051403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 711051403 = 5519128837.

It can be written as a sum of positive squares in 2 ways, for example, as 209496676 + 94653441 = 14474^2 + 9729^2 .

It is a cyclic number.

It is not a de Polignac number, because 304150117 - 23 = 304150109 is a prime.

It is a super-2 number, since 2×3041501172 = 185014587342227378, 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 (304151117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20884 + ... + 32317.

It is an arithmetic number, because the mean of its divisors is an integer number (76052259).

Almost surely, 2304150117 is an apocalyptic number.

It is an amenable number.

304150117 is a deficient number, since it is larger than the sum of its proper divisors (58919).

304150117 is an equidigital number, since it uses as much as digits as its factorization.

304150117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58918.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 304150117 is about 17439.9001430627. The cubic root of 304150117 is about 672.5057407045.

The spelling of 304150117 in words is "three hundred four million, one hundred fifty thousand, one hundred seventeen".

Divisors: 1 5717 53201 304150117