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5218980 = 2235136691
BaseRepresentation
bin10011111010001010100100
3100211011002120
4103322022210
52314001410
6303505540
762234454
oct23721244
910734076
105218980
112a45108
1218b82b0
131109670
1499bd64
156d1570
hex4fa2a4

5218980 has 48 divisors (see below), whose sum is σ = 15739584. Its totient is φ = 1284480.

The previous prime is 5218951. The next prime is 5218987. The reversal of 5218980 is 898125.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5218987) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2566 + ... + 4125.

It is an arithmetic number, because the mean of its divisors is an integer number (327908).

Almost surely, 25218980 is an apocalyptic number.

It is an amenable number.

5218980 is an abundant number, since it is smaller than the sum of its proper divisors (10520604).

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

5218980 is a wasteful number, since it uses less digits than its factorization.

5218980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6716 (or 6714 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 5218980 is about 2284.5086999178. The cubic root of 5218980 is about 173.4583499810.

The spelling of 5218980 in words is "five million, two hundred eighteen thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 6691 13382 20073 26764 33455 40146 66910 80292 86983 100365 133820 173966 200730 260949 347932 401460 434915 521898 869830 1043796 1304745 1739660 2609490 5218980