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132143442 = 23191159153
BaseRepresentation
bin1111110000001…
…01100101010010
3100012122120201120
413320011211102
5232312042232
621040143110
73163125564
oct770054522
9305576646
10132143442
1168656362
1238307a96
13214b92b2
141379b334
15b90392c
hex7e05952

132143442 has 16 divisors (see below), whose sum is σ = 278196960. Its totient is φ = 41729472.

The previous prime is 132143413. The next prime is 132143447. The reversal of 132143442 is 244341231.

132143442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (132143447) 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, 579463 + ... + 579690.

It is an arithmetic number, because the mean of its divisors is an integer number (17387310).

Almost surely, 2132143442 is an apocalyptic number.

132143442 is an abundant number, since it is smaller than the sum of its proper divisors (146053518).

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

132143442 is a wasteful number, since it uses less digits than its factorization.

132143442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159177.

The product of its digits is 2304, while the sum is 24.

The square root of 132143442 is about 11495.3661098723. The cubic root of 132143442 is about 509.3487034087.

Adding to 132143442 its reverse (244341231), we get a palindrome (376484673).

The spelling of 132143442 in words is "one hundred thirty-two million, one hundred forty-three thousand, four hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 1159153 2318306 3477459 6954918 22023907 44047814 66071721 132143442