Search a number
-
+
35142143 = 50117013
BaseRepresentation
bin1000011000001…
…1100111111111
32110010101221212
42012003213333
532444022033
63253115035
7604463141
oct206034777
973111855
1035142143
11189228a3
12b928a7b
13738568a
14494ac91
153142748
hex21839ff

35142143 has 4 divisors (see below), whose sum is σ = 35154168. Its totient is φ = 35130120.

The previous prime is 35142109. The next prime is 35142157. The reversal of 35142143 is 34124153.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 34124153 = 74874879.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-35142143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35142743) 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, 1505 + ... + 8517.

It is an arithmetic number, because the mean of its divisors is an integer number (8788542).

Almost surely, 235142143 is an apocalyptic number.

35142143 is a deficient number, since it is larger than the sum of its proper divisors (12025).

35142143 is an equidigital number, since it uses as much as digits as its factorization.

35142143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12024.

The product of its digits is 1440, while the sum is 23.

The square root of 35142143 is about 5928.0808867626. The cubic root of 35142143 is about 327.5488511709.

Adding to 35142143 its reverse (34124153), we get a palindrome (69266296).

The spelling of 35142143 in words is "thirty-five million, one hundred forty-two thousand, one hundred forty-three".

Divisors: 1 5011 7013 35142143