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302143105 = 5115493511
BaseRepresentation
bin10010000000100…
…101011010000001
3210001112110102101
4102000211122001
51104322034410
645551550401
710326113455
oct2200453201
9701473371
10302143105
11145608650
128522b401
134a79b404
142c1b0665
151b7d3d3a
hex12025681

302143105 has 8 divisors (see below), whose sum is σ = 395532864. Its totient is φ = 219740400.

The previous prime is 302143097. The next prime is 302143109. The reversal of 302143105 is 501341203.

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

It is not a de Polignac number, because 302143105 - 23 = 302143097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (302143109) 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, 2746701 + ... + 2746810.

It is an arithmetic number, because the mean of its divisors is an integer number (49441608).

Almost surely, 2302143105 is an apocalyptic number.

It is an amenable number.

302143105 is a deficient number, since it is larger than the sum of its proper divisors (93389759).

302143105 is a wasteful number, since it uses less digits than its factorization.

302143105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5493527.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 302143105 is about 17382.2640930346. The cubic root of 302143105 is about 671.0232415622.

Adding to 302143105 its reverse (501341203), we get a palindrome (803484308).

The spelling of 302143105 in words is "three hundred two million, one hundred forty-three thousand, one hundred five".

Divisors: 1 5 11 55 5493511 27467555 60428621 302143105