Search a number
-
+
5247390 = 2351710289
BaseRepresentation
bin10100000001000110011110
3100212121001210
4110001012132
52320404030
6304245250
762413341
oct24010636
910777053
105247390
112a64495
121910826
131119585
149a8458
156d9bb0
hex50119e

5247390 has 32 divisors (see below), whose sum is σ = 13335840. Its totient is φ = 1316864.

The previous prime is 5247379. The next prime is 5247391. The reversal of 5247390 is 937425.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5247391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4635 + ... + 5654.

It is an arithmetic number, because the mean of its divisors is an integer number (416745).

Almost surely, 25247390 is an apocalyptic number.

5247390 is an abundant number, since it is smaller than the sum of its proper divisors (8088450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5247390 is a wasteful number, since it uses less digits than its factorization.

5247390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10316.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 5247390 is about 2290.7182279800. The cubic root of 5247390 is about 173.7725261066.

The spelling of 5247390 in words is "five million, two hundred forty-seven thousand, three hundred ninety".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 10289 20578 30867 51445 61734 102890 154335 174913 308670 349826 524739 874565 1049478 1749130 2623695 5247390