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142140762 = 2327896709
BaseRepresentation
bin10000111100011…
…10010101011010
3100220110111110200
420132032111122
5242342001022
622034323030
73344114361
oct1036162532
9326414420
10142140762
1173264505
123b729476
13235a987a
1414c407d8
15c72abac
hex878e55a

142140762 has 12 divisors (see below), whose sum is σ = 307971690. Its totient is φ = 47380248.

The previous prime is 142140749. The next prime is 142140763. The reversal of 142140762 is 267041241.

142140762 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 133194681 + 8946081 = 11541^2 + 2991^2 .

It is not an unprimeable number, because it can be changed into a prime (142140763) 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, 3948337 + ... + 3948372.

Almost surely, 2142140762 is an apocalyptic number.

142140762 is an abundant number, since it is smaller than the sum of its proper divisors (165830928).

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

142140762 is a wasteful number, since it uses less digits than its factorization.

142140762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7896717 (or 7896714 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 142140762 is about 11922.2800671684. The cubic root of 142140762 is about 521.8826750016.

The spelling of 142140762 in words is "one hundred forty-two million, one hundred forty thousand, seven hundred sixty-two".

Divisors: 1 2 3 6 9 18 7896709 15793418 23690127 47380254 71070381 142140762