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142860068 = 22132747309
BaseRepresentation
bin10001000001111…
…01111100100100
3100221211001011122
420200331330210
5243033010233
622101553112
73353201441
oct1040757444
9327731148
10142860068
117370597a
123ba15798
132379c0b0
1414d8a9c8
15c81dd98
hex883df24

142860068 has 12 divisors (see below), whose sum is σ = 269236380. Its totient is φ = 65935392.

The previous prime is 142860049. The next prime is 142860097. The reversal of 142860068 is 860068241.

It can be written as a sum of positive squares in 2 ways, for example, as 30118144 + 112741924 = 5488^2 + 10618^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1373603 + ... + 1373706.

It is an arithmetic number, because the mean of its divisors is an integer number (22436365).

Almost surely, 2142860068 is an apocalyptic number.

It is an amenable number.

142860068 is a deficient number, since it is larger than the sum of its proper divisors (126376312).

142860068 is a wasteful number, since it uses less digits than its factorization.

142860068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747326 (or 2747324 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 142860068 is about 11952.4084602226. The cubic root of 142860068 is about 522.7615265477.

The spelling of 142860068 in words is "one hundred forty-two million, eight hundred sixty thousand, sixty-eight".

Divisors: 1 2 4 13 26 52 2747309 5494618 10989236 35715017 71430034 142860068