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5231513 = 72925771
BaseRepresentation
bin10011111101001110011001
3100211210021202
4103331032121
52314402023
6304043545
762316140
oct23751631
910753252
105231513
112a53571
1219035b5
131112291
149a2757
156d5128
hex4fd399

5231513 has 8 divisors (see below), whose sum is σ = 6185280. Its totient is φ = 4329360.

The previous prime is 5231503. The next prime is 5231521. The reversal of 5231513 is 3151325.

5231513 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5231513 - 218 = 4969369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5231503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12683 + ... + 13088.

It is an arithmetic number, because the mean of its divisors is an integer number (773160).

Almost surely, 25231513 is an apocalyptic number.

It is an amenable number.

5231513 is a deficient number, since it is larger than the sum of its proper divisors (953767).

5231513 is a wasteful number, since it uses less digits than its factorization.

5231513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25807.

The product of its digits is 450, while the sum is 20.

The square root of 5231513 is about 2287.2500956389. The cubic root of 5231513 is about 173.5970881777.

Adding to 5231513 its reverse (3151325), we get a palindrome (8382838).

The spelling of 5231513 in words is "five million, two hundred thirty-one thousand, five hundred thirteen".

Divisors: 1 7 29 203 25771 180397 747359 5231513