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142827641 = 1141316691
BaseRepresentation
bin10001000001101…
…10000001111001
3100221202101200122
420200312001321
5243030441031
622101143025
73353005055
oct1040660171
9327671618
10142827641
1173693580
123b9baa75
132378a3c8
1414d7cc65
15c81447b
hex8836079

142827641 has 8 divisors (see below), whose sum is σ = 159612768. Its totient is φ = 126676000.

The previous prime is 142827637. The next prime is 142827649. The reversal of 142827641 is 146728241.

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

It is not a de Polignac number, because 142827641 - 22 = 142827637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142827649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157895 + ... + 158796.

It is an arithmetic number, because the mean of its divisors is an integer number (19951596).

Almost surely, 2142827641 is an apocalyptic number.

142827641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142827641 is a deficient number, since it is larger than the sum of its proper divisors (16785127).

142827641 is a wasteful number, since it uses less digits than its factorization.

142827641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316743.

The product of its digits is 21504, while the sum is 35.

The square root of 142827641 is about 11951.0518783913. The cubic root of 142827641 is about 522.7219706592.

The spelling of 142827641 in words is "one hundred forty-two million, eight hundred twenty-seven thousand, six hundred forty-one".

Divisors: 1 11 41 451 316691 3483601 12984331 142827641