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143814009 = 3232717691
BaseRepresentation
bin10001001001001…
…10110101111001
3101000121111201210
420210212311321
5243304022014
622134233333
73364253553
oct1044466571
9330544653
10143814009
11741a7659
12401b5849
1323a44361
14151584d3
15c95b859
hex8926d79

143814009 has 16 divisors (see below), whose sum is σ = 200853504. Its totient is φ = 91357200.

The previous prime is 143814007. The next prime is 143814089. The reversal of 143814009 is 900418341.

It is a happy number.

143814009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 143814009 - 21 = 143814007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143814007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14854 + ... + 22544.

It is an arithmetic number, because the mean of its divisors is an integer number (12553344).

Almost surely, 2143814009 is an apocalyptic number.

It is an amenable number.

143814009 is a deficient number, since it is larger than the sum of its proper divisors (57039495).

143814009 is a wasteful number, since it uses less digits than its factorization.

143814009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7988.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 143814009 is about 11992.2478710207. The cubic root of 143814009 is about 523.9225175822.

The spelling of 143814009 in words is "one hundred forty-three million, eight hundred fourteen thousand, nine".

Divisors: 1 3 23 69 271 813 6233 7691 18699 23073 176893 530679 2084261 6252783 47938003 143814009