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5230431 = 3237113139
BaseRepresentation
bin10011111100111101011111
3100211201210200
4103330331133
52314333211
6304034543
762313033
oct23747537
910751720
105230431
112a52778
121902a53
13111193b
149a21c3
156d4b56
hex4fcf5f

5230431 has 24 divisors (see below), whose sum is σ = 7884240. Its totient is φ = 3338496.

The previous prime is 5230429. The next prime is 5230439. The reversal of 5230431 is 1340325.

5230431 is a `hidden beast` number, since 5 + 230 + 431 = 666.

It is not a de Polignac number, because 5230431 - 21 = 5230429 is a prime.

It is a super-2 number, since 2×52304312 = 54714816891522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5230439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37560 + ... + 37698.

It is an arithmetic number, because the mean of its divisors is an integer number (328510).

Almost surely, 25230431 is an apocalyptic number.

5230431 is a deficient number, since it is larger than the sum of its proper divisors (2653809).

5230431 is a wasteful number, since it uses less digits than its factorization.

5230431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 5230431 is about 2287.0135548352. The cubic root of 5230431 is about 173.5851193648.

Adding to 5230431 its reverse (1340325), we get a palindrome (6570756).

The spelling of 5230431 in words is "five million, two hundred thirty thousand, four hundred thirty-one".

Divisors: 1 3 9 37 111 113 139 333 339 417 1017 1251 4181 5143 12543 15429 15707 37629 46287 47121 141363 581159 1743477 5230431