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140943 = 3114271
BaseRepresentation
bin100010011010001111
321011100010
4202122033
514002233
63004303
71124625
oct423217
9234303
10140943
1196990
1269693
134c1ca
1439515
152bb63
hex2268f

140943 has 8 divisors (see below), whose sum is σ = 205056. Its totient is φ = 85400.

The previous prime is 140939. The next prime is 140977. The reversal of 140943 is 349041.

140943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 140943 - 22 = 140939 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140983) 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, 2103 + ... + 2168.

It is an arithmetic number, because the mean of its divisors is an integer number (25632).

2140943 is an apocalyptic number.

140943 is a deficient number, since it is larger than the sum of its proper divisors (64113).

140943 is a wasteful number, since it uses less digits than its factorization.

140943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4285.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 140943 is about 375.4237605693. The cubic root of 140943 is about 52.0412640908.

Adding to 140943 its reverse (349041), we get a palindrome (489984).

The spelling of 140943 in words is "one hundred forty thousand, nine hundred forty-three".

Divisors: 1 3 11 33 4271 12813 46981 140943