Search a number
-
+
5230145 = 51046029
BaseRepresentation
bin10011111100111001000001
3100211201102002
4103330321001
52314331040
6304033345
762312144
oct23747101
910751362
105230145
112a52538
121902855
13111177b
149a205b
156d4a15
hex4fce41

5230145 has 4 divisors (see below), whose sum is σ = 6276180. Its totient is φ = 4184112.

The previous prime is 5230129. The next prime is 5230157. The reversal of 5230145 is 5410325.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3236401 + 1993744 = 1799^2 + 1412^2 .

It is a cyclic number.

It is not a de Polignac number, because 5230145 - 24 = 5230129 is a prime.

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

It is a Curzon number.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523010 + ... + 523019.

It is an arithmetic number, because the mean of its divisors is an integer number (1569045).

Almost surely, 25230145 is an apocalyptic number.

It is an amenable number.

5230145 is a deficient number, since it is larger than the sum of its proper divisors (1046035).

5230145 is a wasteful number, since it uses less digits than its factorization.

5230145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046034.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 5230145 is about 2286.9510270227. The cubic root of 5230145 is about 173.5819554287.

The spelling of 5230145 in words is "five million, two hundred thirty thousand, one hundred forty-five".

Divisors: 1 5 1046029 5230145