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5188720 = 24579821
BaseRepresentation
bin10011110010110001110000
3100202121120211
4103302301300
52312014340
6303113504
762050315
oct23626160
910677524
105188720
112a243a9
1218a2894
1310c8964
14990d0c
156c75ea
hex4f2c70

5188720 has 40 divisors (see below), whose sum is σ = 12231360. Its totient is φ = 2046720.

The previous prime is 5188717. The next prime is 5188739. The reversal of 5188720 is 278815.

5188720 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5910 + ... + 6730.

It is an arithmetic number, because the mean of its divisors is an integer number (305784).

Almost surely, 25188720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5188720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6115680).

5188720 is an abundant number, since it is smaller than the sum of its proper divisors (7042640).

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

5188720 is a wasteful number, since it uses less digits than its factorization.

5188720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 5188720 is about 2277.8762038355. The cubic root of 5188720 is about 173.1224588765.

The spelling of 5188720 in words is "five million, one hundred eighty-eight thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 79 80 158 316 395 632 790 821 1264 1580 1642 3160 3284 4105 6320 6568 8210 13136 16420 32840 64859 65680 129718 259436 324295 518872 648590 1037744 1297180 2594360 5188720