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247216014 = 23213734223
BaseRepresentation
bin11101011110000…
…11011110001110
3122020011212121200
432233003132032
51001241403024
640310410330
76061205253
oct1657033616
9566155550
10247216014
11117602061
126a9609a6
133c2a9486
1424b9342a
1516a842c9
hexebc378e

247216014 has 12 divisors (see below), whose sum is σ = 535634736. Its totient is φ = 82405332.

The previous prime is 247216003. The next prime is 247216037. The reversal of 247216014 is 410612742.

It is a super-2 number, since 2×2472160142 = 122231515156096392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6867094 + ... + 6867129.

It is an arithmetic number, because the mean of its divisors is an integer number (44636228).

Almost surely, 2247216014 is an apocalyptic number.

247216014 is an abundant number, since it is smaller than the sum of its proper divisors (288418722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247216014 is a wasteful number, since it uses less digits than its factorization.

247216014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13734231 (or 13734228 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 247216014 is about 15723.1044644498. The cubic root of 247216014 is about 627.6133890320.

Adding to 247216014 its reverse (410612742), we get a palindrome (657828756).

The spelling of 247216014 in words is "two hundred forty-seven million, two hundred sixteen thousand, fourteen".

Divisors: 1 2 3 6 9 18 13734223 27468446 41202669 82405338 123608007 247216014