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142842868 = 2275101531
BaseRepresentation
bin10001000001110…
…01101111110100
3100221210011120121
420200321233310
5243031432433
622101341324
73353100340
oct1040715764
9327704517
10142842868
11736a3a63
123ba07844
132379430c
1414d84620
15c818c2d
hex8839bf4

142842868 has 12 divisors (see below), whose sum is σ = 285685792. Its totient is φ = 61218360.

The previous prime is 142842851. The next prime is 142842877. The reversal of 142842868 is 868248241.

142842868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

142842868 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550738 + ... + 2550793.

Almost surely, 2142842868 is an apocalyptic number.

It is an amenable number.

142842868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142842868 is a wasteful number, since it uses less digits than its factorization.

142842868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101542 (or 5101540 counting only the distinct ones).

The product of its digits is 196608, while the sum is 43.

The square root of 142842868 is about 11951.6889183077. The cubic root of 142842868 is about 522.7405459726.

The spelling of 142842868 in words is "one hundred forty-two million, eight hundred forty-two thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 14 28 5101531 10203062 20406124 35710717 71421434 142842868