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142435434 = 2367354317
BaseRepresentation
bin10000111110101…
…10010001101010
3100221000110200110
420133112101222
5242430413214
622044515150
73346452441
oct1037262152
9327013613
10142435434
1173445939
123b84bab6
1323680a2b
1414cb9d58
15c788159
hex87d646a

142435434 has 16 divisors (see below), whose sum is σ = 289123488. Its totient is φ = 46769712.

The previous prime is 142435399. The next prime is 142435451. The reversal of 142435434 is 434534241.

142435434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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, 176757 + ... + 177560.

It is an arithmetic number, because the mean of its divisors is an integer number (18070218).

Almost surely, 2142435434 is an apocalyptic number.

142435434 is an abundant number, since it is smaller than the sum of its proper divisors (146688054).

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

142435434 is a wasteful number, since it uses less digits than its factorization.

142435434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354389.

The product of its digits is 23040, while the sum is 30.

The square root of 142435434 is about 11934.6317077654. The cubic root of 142435434 is about 522.2430643829.

Adding to 142435434 its reverse (434534241), we get a palindrome (576969675).

The spelling of 142435434 in words is "one hundred forty-two million, four hundred thirty-five thousand, four hundred thirty-four".

Divisors: 1 2 3 6 67 134 201 402 354317 708634 1062951 2125902 23739239 47478478 71217717 142435434