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143019069 = 353899491
BaseRepresentation
bin10001000011001…
…00110000111101
3100222010010021120
420201210300331
5243103102234
622105221153
73354433134
oct1041446075
9328103246
10143019069
1173804386
123ba917b9
132382658b
1414dcc91b
15c851049
hex8864c3d

143019069 has 8 divisors (see below), whose sum is σ = 194290272. Its totient is φ = 93546960.

The previous prime is 143019067. The next prime is 143019077. The reversal of 143019069 is 960910341.

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

It is not a de Polignac number, because 143019069 - 21 = 143019067 is a prime.

It is a super-2 number, since 2×1430190692 = 40908908195253522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143019067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449587 + ... + 449904.

It is an arithmetic number, because the mean of its divisors is an integer number (24286284).

Almost surely, 2143019069 is an apocalyptic number.

It is an amenable number.

143019069 is a deficient number, since it is larger than the sum of its proper divisors (51271203).

143019069 is an equidigital number, since it uses as much as digits as its factorization.

143019069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899547.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 143019069 is about 11959.0580314672. The cubic root of 143019069 is about 522.9553964157.

The spelling of 143019069 in words is "one hundred forty-three million, nineteen thousand, sixty-nine".

Divisors: 1 3 53 159 899491 2698473 47673023 143019069