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242648224 = 25713103809
BaseRepresentation
bin11100111011010…
…00010010100000
3121220120210210021
432131220102200
5444104220344
640024443224
76004322140
oct1635502240
9556523707
10242648224
11114a72225
1269319514
133b36a340
1424324920
1516480b84
hexe7684a0

242648224 has 96 divisors (see below), whose sum is σ = 594397440. Its totient is φ = 94943232.

The previous prime is 242648213. The next prime is 242648227. The reversal of 242648224 is 422846242.

It is a super-2 number, since 2×2426482242 = 117756321220708352, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 242648224.

It is not an unprimeable number, because it can be changed into a prime (242648227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299532 + ... + 300340.

It is an arithmetic number, because the mean of its divisors is an integer number (6191640).

Almost surely, 2242648224 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 242648224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297198720).

242648224 is an abundant number, since it is smaller than the sum of its proper divisors (351749216).

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

242648224 is a wasteful number, since it uses less digits than its factorization.

242648224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 934 counting only the distinct ones).

The product of its digits is 49152, while the sum is 34.

The square root of 242648224 is about 15577.1699611964. The cubic root of 242648224 is about 623.7238806845.

The spelling of 242648224 in words is "two hundred forty-two million, six hundred forty-eight thousand, two hundred twenty-four".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 91 103 104 112 182 206 208 224 364 412 416 721 728 809 824 1339 1442 1456 1618 1648 2678 2884 2912 3236 3296 5356 5663 5768 6472 9373 10517 10712 11326 11536 12944 18746 21034 21424 22652 23072 25888 37492 42068 42848 45304 73619 74984 83327 84136 90608 147238 149968 166654 168272 181216 294476 299936 333308 336544 583289 588952 666616 1083251 1166578 1177904 1333232 2166502 2333156 2355808 2666464 4333004 4666312 7582757 8666008 9332624 15165514 17332016 18665248 30331028 34664032 60662056 121324112 242648224