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142565166 = 2327920287
BaseRepresentation
bin10000111111101…
…01111100101110
3100221021001122100
420133311330232
5242444041131
622051355530
73350532612
oct1037657456
9327231570
10142565166
1173524357
123b8b2ba6
13236c7ab3
1414d11342
15c7b17e6
hex87f5f2e

142565166 has 12 divisors (see below), whose sum is σ = 308891232. Its totient is φ = 47521716.

The previous prime is 142565161. The next prime is 142565183. The reversal of 142565166 is 661565241.

It is a self number, because there is not a number n which added to its sum of digits gives 142565166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142565161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3960126 + ... + 3960161.

It is an arithmetic number, because the mean of its divisors is an integer number (25740936).

Almost surely, 2142565166 is an apocalyptic number.

142565166 is an abundant number, since it is smaller than the sum of its proper divisors (166326066).

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

142565166 is a wasteful number, since it uses less digits than its factorization.

142565166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7920295 (or 7920292 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 142565166 is about 11940.0655777094. The cubic root of 142565166 is about 522.4015714716.

The spelling of 142565166 in words is "one hundred forty-two million, five hundred sixty-five thousand, one hundred sixty-six".

Divisors: 1 2 3 6 9 18 7920287 15840574 23760861 47521722 71282583 142565166