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5218400 = 255211593
BaseRepresentation
bin10011111010000001100000
3100211010022002
4103322001200
52313442100
6303503132
762232665
oct23720140
910733262
105218400
112a44730
1218b7aa8
131109315
1499ba6c
156d12d5
hex4fa060

5218400 has 72 divisors (see below), whose sum is σ = 13920984. Its totient is φ = 1894400.

The previous prime is 5218397. The next prime is 5218417. The reversal of 5218400 is 48125.

5218400 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8504 + ... + 9096.

It is an arithmetic number, because the mean of its divisors is an integer number (193347).

Almost surely, 25218400 is an apocalyptic number.

5218400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5218400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6960492).

5218400 is an abundant number, since it is smaller than the sum of its proper divisors (8702584).

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

5218400 is a wasteful number, since it uses less digits than its factorization.

5218400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 5218400 is about 2284.3817544360. The cubic root of 5218400 is about 173.4519241041.

The spelling of 5218400 in words is "five million, two hundred eighteen thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 160 176 200 220 275 352 400 440 550 593 800 880 1100 1186 1760 2200 2372 2965 4400 4744 5930 6523 8800 9488 11860 13046 14825 18976 23720 26092 29650 32615 47440 52184 59300 65230 94880 104368 118600 130460 163075 208736 237200 260920 326150 474400 521840 652300 1043680 1304600 2609200 5218400