Search a number
-
+
6169143 = 32056381
BaseRepresentation
bin10111100010001000110111
3102121102110210
4113202020313
53034403033
6340120503
7103302561
oct27421067
912542423
106169143
113533a72
122096133
13137cca6
14b68331
1581cd63
hex5e2237

6169143 has 4 divisors (see below), whose sum is σ = 8225528. Its totient is φ = 4112760.

The previous prime is 6169139. The next prime is 6169193. The reversal of 6169143 is 3419616.

6169143 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6169143 - 22 = 6169139 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6169143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6169123) 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, 1028188 + ... + 1028193.

It is an arithmetic number, because the mean of its divisors is an integer number (2056382).

Almost surely, 26169143 is an apocalyptic number.

6169143 is a deficient number, since it is larger than the sum of its proper divisors (2056385).

6169143 is a wasteful number, since it uses less digits than its factorization.

6169143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056384.

The product of its digits is 3888, while the sum is 30.

The square root of 6169143 is about 2483.7759560798. The cubic root of 6169143 is about 183.4037786214.

The spelling of 6169143 in words is "six million, one hundred sixty-nine thousand, one hundred forty-three".

Divisors: 1 3 2056381 6169143