Search a number
-
+
5478143 = 11498013
BaseRepresentation
bin10100111001011011111111
3101022022121012
4110321123333
52400300033
6313225435
764364156
oct24713377
911268535
105478143
1131018a0
121a0227b
13119a608
14a2859d
15733248
hex5396ff

5478143 has 4 divisors (see below), whose sum is σ = 5976168. Its totient is φ = 4980120.

The previous prime is 5478113. The next prime is 5478167. The reversal of 5478143 is 3418745.

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 5478143 - 210 = 5477119 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5478113) 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, 248996 + ... + 249017.

It is an arithmetic number, because the mean of its divisors is an integer number (1494042).

Almost surely, 25478143 is an apocalyptic number.

5478143 is a deficient number, since it is larger than the sum of its proper divisors (498025).

5478143 is a wasteful number, since it uses less digits than its factorization.

5478143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498024.

The product of its digits is 13440, while the sum is 32.

The square root of 5478143 is about 2340.5433129938. The cubic root of 5478143 is about 176.2832796001.

The spelling of 5478143 in words is "five million, four hundred seventy-eight thousand, one hundred forty-three".

Divisors: 1 11 498013 5478143