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143432668 = 2265954413
BaseRepresentation
bin10001000110010…
…01101111011100
3100222220010122001
420203021233130
5243204321133
622122132044
73361105021
oct1043115734
9328803561
10143432668
1173a670a5
1240051024
132393c902
1415099548
15c8d387d
hex88c9bdc

143432668 has 12 divisors (see below), whose sum is σ = 251392680. Its totient is φ = 71606192.

The previous prime is 143432617. The next prime is 143432671. The reversal of 143432668 is 866234341.

143432668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1434326683 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24571 + ... + 29842.

It is an arithmetic number, because the mean of its divisors is an integer number (20949390).

Almost surely, 2143432668 is an apocalyptic number.

It is an amenable number.

143432668 is a deficient number, since it is larger than the sum of its proper divisors (107960012).

143432668 is a wasteful number, since it uses less digits than its factorization.

143432668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55076 (or 55074 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 143432668 is about 11976.3378375862. The cubic root of 143432668 is about 523.4590254393.

The spelling of 143432668 in words is "one hundred forty-three million, four hundred thirty-two thousand, six hundred sixty-eight".

Divisors: 1 2 4 659 1318 2636 54413 108826 217652 35858167 71716334 143432668