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5231524439 = 18112888749
BaseRepresentation
bin1001101111101001…
…01011101001010111
3111111121000222101102
410313310223221113
541203232240224
62223041420315
7243433136561
oct46764535127
914447028342
105231524439
112245071819
12102003a69b
13654b029bb
14378b2c331
1520943b4ae
hex137d2ba57

5231524439 has 4 divisors (see below), whose sum is σ = 5234415000. Its totient is φ = 5228633880.

The previous prime is 5231524423. The next prime is 5231524471. The reversal of 5231524439 is 9344251325.

It is a happy number.

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 5231524439 - 24 = 5231524423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5231524489) 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, 1442564 + ... + 1446185.

It is an arithmetic number, because the mean of its divisors is an integer number (1308603750).

Almost surely, 25231524439 is an apocalyptic number.

5231524439 is a deficient number, since it is larger than the sum of its proper divisors (2890561).

5231524439 is a wasteful number, since it uses less digits than its factorization.

5231524439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890560.

The product of its digits is 129600, while the sum is 38.

The square root of 5231524439 is about 72329.2778824730. The cubic root of 5231524439 is about 1735.9721470424.

The spelling of 5231524439 in words is "five billion, two hundred thirty-one million, five hundred twenty-four thousand, four hundred thirty-nine".

Divisors: 1 1811 2888749 5231524439