Search a number
-
+
434143 = 1912273
BaseRepresentation
bin1101001111111011111
3211001112101
41221333133
5102343033
613145531
73455503
oct1517737
9731471
10434143
112771a6
1218b2a7
131227b8
14b4303
158897d
hex69fdf

434143 has 4 divisors (see below), whose sum is σ = 436608. Its totient is φ = 431680.

The previous prime is 434141. The next prime is 434167. The reversal of 434143 is 341434.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 434143 - 21 = 434141 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

434143 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 434143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 946 + ... + 1327.

It is an arithmetic number, because the mean of its divisors is an integer number (109152).

2434143 is an apocalyptic number.

434143 is a deficient number, since it is larger than the sum of its proper divisors (2465).

434143 is a wasteful number, since it uses less digits than its factorization.

434143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464.

The product of its digits is 576, while the sum is 19.

The square root of 434143 is about 658.8952875837. The cubic root of 434143 is about 75.7200573674.

Adding to 434143 its reverse (341434), we get a palindrome (775577).

It can be divided in two parts, 43 and 4143, that added together give a triangular number (4186 = T91).

The spelling of 434143 in words is "four hundred thirty-four thousand, one hundred forty-three".

Divisors: 1 191 2273 434143