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242646208 = 2671094969
BaseRepresentation
bin11100111011001…
…11110011000000
3121220120201000121
432131213303000
5444104134313
640024430024
76004313230
oct1635476300
9556521017
10242646208
11114a70762
1269318314
133b36944c
1424323cc0
151648028d
hexe767cc0

242646208 has 56 divisors (see below), whose sum is σ = 555447200. Its totient is φ = 103016448.

The previous prime is 242646197. The next prime is 242646211. The reversal of 242646208 is 802646242.

242646208 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46348 + ... + 51316.

It is an arithmetic number, because the mean of its divisors is an integer number (9918700).

Almost surely, 2242646208 is an apocalyptic number.

242646208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242646208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277723600).

242646208 is an abundant number, since it is smaller than the sum of its proper divisors (312800992).

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

242646208 is a wasteful number, since it uses less digits than its factorization.

242646208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5097 (or 5087 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 242646208 is about 15577.1052509765. The cubic root of 242646208 is about 623.7221533131.

Adding to 242646208 its sum of digits (34), we get a palindrome (242646242).

The spelling of 242646208 in words is "two hundred forty-two million, six hundred forty-six thousand, two hundred eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 109 112 218 224 436 448 763 872 1526 1744 3052 3488 4969 6104 6976 9938 12208 19876 24416 34783 39752 48832 69566 79504 139132 159008 278264 318016 541621 556528 1083242 1113056 2166484 2226112 3791347 4332968 7582694 8665936 15165388 17331872 30330776 34663744 60661552 121323104 242646208