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142133132 = 22372773467
BaseRepresentation
bin10000111100011…
…00011110001100
3100220110010000002
420132030132030
5242341230012
622034223432
73344053211
oct1036143614
9326403002
10142133132
11732597a9
123b724b78
13235a625b
1414c3bb08
15c7287c2
hex878c78c

142133132 has 24 divisors (see below), whose sum is σ = 256451664. Its totient is φ = 68876352.

The previous prime is 142133081. The next prime is 142133137. The reversal of 142133132 is 231331241.

It is not an unprimeable number, because it can be changed into a prime (142133137) 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, 39263 + ... + 42729.

It is an arithmetic number, because the mean of its divisors is an integer number (10685486).

Almost surely, 2142133132 is an apocalyptic number.

It is an amenable number.

142133132 is a deficient number, since it is larger than the sum of its proper divisors (114318532).

142133132 is a wasteful number, since it uses less digits than its factorization.

142133132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3785 (or 3783 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 142133132 is about 11921.9600737463. The cubic root of 142133132 is about 521.8733367559.

Adding to 142133132 its reverse (231331241), we get a palindrome (373464373).

The spelling of 142133132 in words is "one hundred forty-two million, one hundred thirty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 37 74 148 277 554 1108 3467 6934 10249 13868 20498 40996 128279 256558 513116 960359 1920718 3841436 35533283 71066566 142133132