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142842768 = 24316318257
BaseRepresentation
bin10001000001110…
…01101110010000
3100221210011102220
420200321232100
5243031432033
622101341040
73353100135
oct1040715620
9327704386
10142842768
11736a3982
123ba07780
1323794263
1414d8458c
15c818bb3
hex8839b90

142842768 has 40 divisors (see below), whose sum is σ = 371294688. Its totient is φ = 47319552.

The previous prime is 142842767. The next prime is 142842773. The reversal of 142842768 is 867248241.

142842768 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142842767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1305 + ... + 16952.

Almost surely, 2142842768 is an apocalyptic number.

It is an amenable number.

142842768 is an abundant number, since it is smaller than the sum of its proper divisors (228451920).

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

142842768 is a wasteful number, since it uses less digits than its factorization.

142842768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18431 (or 18425 counting only the distinct ones).

The product of its digits is 172032, while the sum is 42.

The square root of 142842768 is about 11951.6847347979. The cubic root of 142842768 is about 522.7404239876.

The spelling of 142842768 in words is "one hundred forty-two million, eight hundred forty-two thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 163 326 489 652 978 1304 1956 2608 3912 7824 18257 36514 54771 73028 109542 146056 219084 292112 438168 876336 2975891 5951782 8927673 11903564 17855346 23807128 35710692 47614256 71421384 142842768