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132401142 = 234817291
BaseRepresentation
bin1111110010001…
…00011111110110
3100020010200020000
413321010133312
5232343314032
621045452130
73165251106
oct771043766
9306120200
10132401142
1168811a35
1238411046
1321579693
1413827206
15b954e7c
hex7e447f6

132401142 has 20 divisors (see below), whose sum is σ = 296676996. Its totient is φ = 44133660.

The previous prime is 132401141. The next prime is 132401147. The reversal of 132401142 is 241104231.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132401141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 408484 + ... + 408807.

Almost surely, 2132401142 is an apocalyptic number.

132401142 is an abundant number, since it is smaller than the sum of its proper divisors (164275854).

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

132401142 is an equidigital number, since it uses as much as digits as its factorization.

132401142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817305 (or 817296 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 132401142 is about 11506.5695148467. The cubic root of 132401142 is about 509.6795911320.

Adding to 132401142 its reverse (241104231), we get a palindrome (373505373).

The spelling of 132401142 in words is "one hundred thirty-two million, four hundred one thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 817291 1634582 2451873 4903746 7355619 14711238 22066857 44133714 66200571 132401142