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5230404 = 2232145289
BaseRepresentation
bin10011111100111101000100
3100211201202200
4103330331010
52314333104
6304034500
762312664
oct23747504
910751680
105230404
112a52753
121902a30
13111191a
149a21a4
156d4b39
hex4fcf44

5230404 has 18 divisors (see below), whose sum is σ = 13221390. Its totient is φ = 1743456.

The previous prime is 5230403. The next prime is 5230417. The reversal of 5230404 is 4040325.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3069504 + 2160900 = 1752^2 + 1470^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (5230403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72609 + ... + 72680.

Almost surely, 25230404 is an apocalyptic number.

It is an amenable number.

5230404 is an abundant number, since it is smaller than the sum of its proper divisors (7990986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5230404 is a wasteful number, since it uses less digits than its factorization.

5230404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145299 (or 145294 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 5230404 is about 2287.0076519330. The cubic root of 5230404 is about 173.5848206765.

Adding to 5230404 its reverse (4040325), we get a palindrome (9270729).

The spelling of 5230404 in words is "five million, two hundred thirty thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 145289 290578 435867 581156 871734 1307601 1743468 2615202 5230404