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5131250 = 255821
BaseRepresentation
bin10011100100101111110010
3100122200202022
4103210233302
52303200000
6301551442
761420625
oct23445762
910580668
105131250
112995203
121875582
1310a8757
14977dbc
156b5585
hex4e4bf2

5131250 has 24 divisors (see below), whose sum is σ = 9632196. Its totient is φ = 2050000.

The previous prime is 5131249. The next prime is 5131253. The reversal of 5131250 is 521315.

It can be written as a sum of positive squares in 6 ways, for example, as 1062961 + 4068289 = 1031^2 + 2017^2 .

It is not an unprimeable number, because it can be changed into a prime (5131253) 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 11 ways as a sum of consecutive naturals, for example, 5840 + ... + 6660.

Almost surely, 25131250 is an apocalyptic number.

5131250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5131250 is a deficient number, since it is larger than the sum of its proper divisors (4500946).

5131250 is an frugal number, since it uses more digits than its factorization.

5131250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 5131250 is about 2265.2262580149. The cubic root of 5131250 is about 172.4809192646.

Adding to 5131250 its reverse (521315), we get a palindrome (5652565).

The spelling of 5131250 in words is "five million, one hundred thirty-one thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 625 821 1250 1642 3125 4105 6250 8210 20525 41050 102625 205250 513125 1026250 2565625 5131250