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242788332 = 223181111781
BaseRepresentation
bin11100111100010…
…10011111101100
3121220211220222110
432132022133230
5444123211312
640031444020
76005444463
oct1636123754
9556756873
10242788332
11115058516
1269386610
133b3b9047
142435d9da
15164ac43c
hexe78a7ec

242788332 has 24 divisors (see below), whose sum is σ = 569641072. Its totient is φ = 80481600.

The previous prime is 242788331. The next prime is 242788333. The reversal of 242788332 is 233887242.

It is an interprime number because it is at equal distance from previous prime (242788331) and next prime (242788333).

It is not an unprimeable number, because it can be changed into a prime (242788331) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 53719 + ... + 58062.

Almost surely, 2242788332 is an apocalyptic number.

It is an amenable number.

242788332 is an abundant number, since it is smaller than the sum of its proper divisors (326852740).

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

242788332 is a wasteful number, since it uses less digits than its factorization.

242788332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111969 (or 111967 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 242788332 is about 15581.6665347452. Note that the first 3 decimals coincide. The cubic root of 242788332 is about 623.8439061404.

The spelling of 242788332 in words is "two hundred forty-two million, seven hundred eighty-eight thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 181 362 543 724 1086 2172 111781 223562 335343 447124 670686 1341372 20232361 40464722 60697083 80929444 121394166 242788332