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142785753 = 3114326841
BaseRepresentation
bin10001000001010…
…11110011011001
3100221200021020020
420200223303121
5243023121003
622100221053
73352441665
oct1040536331
9327607206
10142785753
1173665060
123b99a789
1323774316
1414d6b8a5
15c806d53
hex882bcd9

142785753 has 8 divisors (see below), whose sum is σ = 207688416. Its totient is φ = 86536800.

The previous prime is 142785697. The next prime is 142785767. The reversal of 142785753 is 357587241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142785753 - 214 = 142769369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142785793) 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, 2163388 + ... + 2163453.

It is an arithmetic number, because the mean of its divisors is an integer number (25961052).

Almost surely, 2142785753 is an apocalyptic number.

It is an amenable number.

142785753 is a deficient number, since it is larger than the sum of its proper divisors (64902663).

142785753 is a wasteful number, since it uses less digits than its factorization.

142785753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4326855.

The product of its digits is 235200, while the sum is 42.

The square root of 142785753 is about 11949.2992681579. The cubic root of 142785753 is about 522.6708649614.

The spelling of 142785753 in words is "one hundred forty-two million, seven hundred eighty-five thousand, seven hundred fifty-three".

Divisors: 1 3 11 33 4326841 12980523 47595251 142785753