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242877728 = 2559912671
BaseRepresentation
bin11100111101000…
…00010100100000
3121221000110121102
432132200110200
5444134041403
640033413532
76006266222
oct1636402440
9557013542
10242877728
111151096a5
126940a2a8
133b41a942
1424384412
15164c8b88
hexe7a0520

242877728 has 24 divisors (see below), whose sum is σ = 479001600. Its totient is φ = 121226560.

The previous prime is 242877683. The next prime is 242877751. The reversal of 242877728 is 827778242.

It is a super-3 number, since 3×2428777283 (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

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, 12833 + ... + 25503.

It is an arithmetic number, because the mean of its divisors is an integer number (19958400).

Almost surely, 2242877728 is an apocalyptic number.

It is an amenable number.

242877728 is a deficient number, since it is larger than the sum of its proper divisors (236123872).

242877728 is a wasteful number, since it uses less digits than its factorization.

242877728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13280 (or 13272 counting only the distinct ones).

The product of its digits is 702464, while the sum is 47.

The square root of 242877728 is about 15584.5348984177. The cubic root of 242877728 is about 623.9204643313.

The spelling of 242877728 in words is "two hundred forty-two million, eight hundred seventy-seven thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 16 32 599 1198 2396 4792 9584 12671 19168 25342 50684 101368 202736 405472 7589929 15179858 30359716 60719432 121438864 242877728