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143433085 = 528686617
BaseRepresentation
bin10001000110010…
…01110101111101
3100222220011012111
420203021311331
5243204324320
622122134021
73361106155
oct1043116575
9328804174
10143433085
1173a67444
1240051311
132393cb63
1415099765
15c8d3a5a
hex88c9d7d

143433085 has 4 divisors (see below), whose sum is σ = 172119708. Its totient is φ = 114746464.

The previous prime is 143433077. The next prime is 143433107. The reversal of 143433085 is 580334341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 580334341 = 2920011529.

It can be written as a sum of positive squares in 2 ways, for example, as 22477081 + 120956004 = 4741^2 + 10998^2 .

It is a cyclic number.

It is not a de Polignac number, because 143433085 - 23 = 143433077 is a prime.

It is a Duffinian number.

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, 14343304 + ... + 14343313.

It is an arithmetic number, because the mean of its divisors is an integer number (43029927).

Almost surely, 2143433085 is an apocalyptic number.

It is an amenable number.

143433085 is a deficient number, since it is larger than the sum of its proper divisors (28686623).

143433085 is an equidigital number, since it uses as much as digits as its factorization.

143433085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28686622.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 143433085 is about 11976.3552469021. The cubic root of 143433085 is about 523.4595327208.

The spelling of 143433085 in words is "one hundred forty-three million, four hundred thirty-three thousand, eighty-five".

Divisors: 1 5 28686617 143433085