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142733286 = 2332643209
BaseRepresentation
bin10001000000111…
…10111111100110
3100221120121021000
420200132333212
5243014431121
622055134130
73352133013
oct1040367746
9327517230
10142733286
11736296a3
123b974346
1323756487
1414d5670a
15c7e6526
hex881efe6

142733286 has 16 divisors (see below), whose sum is σ = 317185200. Its totient is φ = 47577744.

The previous prime is 142733267. The next prime is 142733333. The reversal of 142733286 is 682337241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 142733286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321551 + ... + 1321658.

It is an arithmetic number, because the mean of its divisors is an integer number (19824075).

Almost surely, 2142733286 is an apocalyptic number.

142733286 is an abundant number, since it is smaller than the sum of its proper divisors (174451914).

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

142733286 is a wasteful number, since it uses less digits than its factorization.

142733286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643220 (or 2643214 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 142733286 is about 11947.1036657426. The cubic root of 142733286 is about 522.6068381911.

The spelling of 142733286 in words is "one hundred forty-two million, seven hundred thirty-three thousand, two hundred eighty-six".

Divisors: 1 2 3 6 9 18 27 54 2643209 5286418 7929627 15859254 23788881 47577762 71366643 142733286