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143198 = 21123283
BaseRepresentation
bin100010111101011110
321021102122
4202331132
514040243
63022542
71134326
oct427536
9237378
10143198
1198650
126aa52
1350243
143a286
152c668
hex22f5e

143198 has 16 divisors (see below), whose sum is σ = 245376. Its totient is φ = 62040.

The previous prime is 143197. The next prime is 143239. The reversal of 143198 is 891341.

It is a Curzon number.

It is a nialpdrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143198.

It is not an unprimeable number, because it can be changed into a prime (143197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365 + ... + 647.

It is an arithmetic number, because the mean of its divisors is an integer number (15336).

2143198 is an apocalyptic number.

143198 is a deficient number, since it is larger than the sum of its proper divisors (102178).

143198 is a wasteful number, since it uses less digits than its factorization.

143198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319.

The product of its digits is 864, while the sum is 26.

The square root of 143198 is about 378.4151159772. The cubic root of 143198 is about 52.3173395169.

The spelling of 143198 in words is "one hundred forty-three thousand, one hundred ninety-eight".

Divisors: 1 2 11 22 23 46 253 283 506 566 3113 6226 6509 13018 71599 143198