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242140332 = 223719151717
BaseRepresentation
bin11100110111011…
…00010010101100
3121212122000002110
432123230102230
5443441442312
640005524020
76000105330
oct1633542254
9555560073
10242140332
11114755685
1269113610
133b220105
14242317c0
15163d043c
hexe6ec4ac

242140332 has 48 divisors (see below), whose sum is σ = 679696640. Its totient is φ = 65541312.

The previous prime is 242140303. The next prime is 242140337. The reversal of 242140332 is 233041242.

242140332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 242140299 and 242140308.

It is not an unprimeable number, because it can be changed into a prime (242140337) 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, 74263 + ... + 77454.

Almost surely, 2242140332 is an apocalyptic number.

It is an amenable number.

242140332 is an abundant number, since it is smaller than the sum of its proper divisors (437556308).

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

242140332 is a wasteful number, since it uses less digits than its factorization.

242140332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151750 (or 151748 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 242140332 is about 15560.8589737199. The cubic root of 242140332 is about 623.2884002677.

Adding to 242140332 its reverse (233041242), we get a palindrome (475181574).

The spelling of 242140332 in words is "two hundred forty-two million, one hundred forty thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 114 133 228 266 399 532 798 1596 151717 303434 455151 606868 910302 1062019 1820604 2124038 2882623 3186057 4248076 5765246 6372114 8647869 11530492 12744228 17295738 20178361 34591476 40356722 60535083 80713444 121070166 242140332