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143934 = 23723149
BaseRepresentation
bin100011001000111110
321022102220
4203020332
514101214
63030210
71136430
oct431076
9238386
10143934
119915a
126b366
135068b
143a650
152c9a9
hex2323e

143934 has 32 divisors (see below), whose sum is σ = 345600. Its totient is φ = 39072.

The previous prime is 143909. The next prime is 143947. The reversal of 143934 is 439341.

143934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 143934.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 892 + ... + 1040.

It is an arithmetic number, because the mean of its divisors is an integer number (10800).

2143934 is an apocalyptic number.

143934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 143934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172800).

143934 is an abundant number, since it is smaller than the sum of its proper divisors (201666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143934 is a wasteful number, since it uses less digits than its factorization.

143934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184.

The product of its digits is 1296, while the sum is 24.

The square root of 143934 is about 379.3863466178. The cubic root of 143934 is about 52.4068188395.

The spelling of 143934 in words is "one hundred forty-three thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 149 161 298 322 447 483 894 966 1043 2086 3129 3427 6258 6854 10281 20562 23989 47978 71967 143934