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5248521 = 32583169
BaseRepresentation
bin10100000001011000001001
3100212122121200
4110001120021
52320423041
6304254413
762416545
oct24013011
910778550
105248521
112a65323
121911409
131119c45
149a8a25
156da1b6
hex501609

5248521 has 6 divisors (see below), whose sum is σ = 7581210. Its totient is φ = 3499008.

The previous prime is 5248519. The next prime is 5248543. The reversal of 5248521 is 1258425.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4888521 + 360000 = 2211^2 + 600^2 .

It is not a de Polignac number, because 5248521 - 21 = 5248519 is a prime.

5248521 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5248421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 291576 + ... + 291593.

It is an arithmetic number, because the mean of its divisors is an integer number (1263535).

Almost surely, 25248521 is an apocalyptic number.

It is an amenable number.

5248521 is a deficient number, since it is larger than the sum of its proper divisors (2332689).

5248521 is a wasteful number, since it uses less digits than its factorization.

5248521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583175 (or 583172 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 5248521 is about 2290.9650804846. The cubic root of 5248521 is about 173.7850099388.

It can be divided in two parts, 524 and 8521, that added together give a triangular number (9045 = T134).

The spelling of 5248521 in words is "five million, two hundred forty-eight thousand, five hundred twenty-one".

Divisors: 1 3 9 583169 1749507 5248521