Search a number
-
+
142088766 = 2341956519
BaseRepresentation
bin10000111100000…
…01101000111110
3100220100212010220
420132001220332
5242333320031
622033242210
73343506651
oct1036015076
9326325126
10142088766
1173229436
123b703366
132358bcc1
1414c29898
15c71a596
hex8781a3e

142088766 has 16 divisors (see below), whose sum is σ = 284860800. Its totient is φ = 47249048.

The previous prime is 142088761. The next prime is 142088789. The reversal of 142088766 is 667880241.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142088761) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25746 + ... + 30773.

It is an arithmetic number, because the mean of its divisors is an integer number (17803800).

Almost surely, 2142088766 is an apocalyptic number.

142088766 is an abundant number, since it is smaller than the sum of its proper divisors (142772034).

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

142088766 is a wasteful number, since it uses less digits than its factorization.

142088766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56943.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 142088766 is about 11920.0992445533. The cubic root of 142088766 is about 521.8190312335.

The spelling of 142088766 in words is "one hundred forty-two million, eighty-eight thousand, seven hundred sixty-six".

Divisors: 1 2 3 6 419 838 1257 2514 56519 113038 169557 339114 23681461 47362922 71044383 142088766