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288416393 = 476136519
BaseRepresentation
bin10001001100001…
…110001010001001
3202002201001220122
4101030032022021
51042313311033
644341433025
710101333056
oct2114161211
9662631818
10288416393
11138892561
128070b775
13479a34b5
142a43a02d
151a4c1a98
hex1130e289

288416393 has 4 divisors (see below), whose sum is σ = 294552960. Its totient is φ = 282279828.

The previous prime is 288416383. The next prime is 288416399. The reversal of 288416393 is 393614882.

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 a cyclic number.

It is not a de Polignac number, because 288416393 - 26 = 288416329 is a prime.

It is a super-2 number, since 2×2884163932 = 166368031502260898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288416399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3068213 + ... + 3068306.

It is an arithmetic number, because the mean of its divisors is an integer number (73638240).

Almost surely, 2288416393 is an apocalyptic number.

It is an amenable number.

288416393 is a deficient number, since it is larger than the sum of its proper divisors (6136567).

288416393 is an equidigital number, since it uses as much as digits as its factorization.

288416393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6136566.

The product of its digits is 248832, while the sum is 44.

The square root of 288416393 is about 16982.8264137628. The cubic root of 288416393 is about 660.7035602675.

The spelling of 288416393 in words is "two hundred eighty-eight million, four hundred sixteen thousand, three hundred ninety-three".

Divisors: 1 47 6136519 288416393