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143834109 = 3411169383
BaseRepresentation
bin10001001001010…
…11101111111101
3101000122112022020
420210223233331
5243310142414
622134510353
73364366266
oct1044535775
9330575266
10143834109
1174210771
12402053b9
1323a50553
141516196d
15c9627a9
hex892bbfd

143834109 has 8 divisors (see below), whose sum is σ = 196456512. Its totient is φ = 93550560.

The previous prime is 143834101. The next prime is 143834129. The reversal of 143834109 is 901438341.

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

It is not a de Polignac number, because 143834109 - 23 = 143834101 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 143834109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143834101) 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 7 ways as a sum of consecutive naturals, for example, 584569 + ... + 584814.

It is an arithmetic number, because the mean of its divisors is an integer number (24557064).

Almost surely, 2143834109 is an apocalyptic number.

It is an amenable number.

143834109 is a deficient number, since it is larger than the sum of its proper divisors (52622403).

143834109 is a wasteful number, since it uses less digits than its factorization.

143834109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169427.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 143834109 is about 11993.0858831245. The cubic root of 143834109 is about 523.9469249217.

The spelling of 143834109 in words is "one hundred forty-three million, eight hundred thirty-four thousand, one hundred nine".

Divisors: 1 3 41 123 1169383 3508149 47944703 143834109