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242735472 = 24327257937
BaseRepresentation
bin11100111011111…
…01100101110000
3121220202020110200
432131331211300
5444120013342
640030355200
76005134410
oct1635754560
9556666420
10242735472
11115021831
126935bb00
133b39ac75
1424348640
151649b94c
hexe77d970

242735472 has 120 divisors (see below), whose sum is σ = 780220896. Its totient is φ = 69009408.

The previous prime is 242735461. The next prime is 242735489. The reversal of 242735472 is 274537242.

It is a happy number.

242735472 is a `hidden beast` number, since 2 + 42 + 73 + 547 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 258588 + ... + 259524.

Almost surely, 2242735472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242735472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390110448).

242735472 is an abundant number, since it is smaller than the sum of its proper divisors (537485424).

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

242735472 is a wasteful number, since it uses less digits than its factorization.

242735472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215 (or 1206 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 242735472 is about 15579.9702182000. The cubic root of 242735472 is about 623.7986283160.

The spelling of 242735472 in words is "two hundred forty-two million, seven hundred thirty-five thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 257 336 504 514 771 937 1008 1028 1542 1799 1874 2056 2313 2811 3084 3598 3748 4112 4626 5397 5622 6168 6559 7196 7496 8433 9252 10794 11244 12336 13118 14392 14992 16191 16866 18504 19677 21588 22488 26236 28784 32382 33732 37008 39354 43176 44976 52472 59031 64764 67464 78708 86352 104944 118062 129528 134928 157416 236124 240809 259056 314832 472248 481618 722427 944496 963236 1444854 1685663 1926472 2167281 2889708 3371326 3852944 4334562 5056989 5779416 6742652 8669124 10113978 11558832 13485304 15170967 17338248 20227956 26970608 30341934 34676496 40455912 60683868 80911824 121367736 242735472