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5225220 = 223257111329
BaseRepresentation
bin10011111011101100000100
3100211110122200
4103323230010
52314201340
6303554500
762261610
oct23735404
910743580
105225220
112a49870
1218bba30
13110c460
149a0340
156d3330
hex4fbb04

5225220 has 288 divisors, whose sum is σ = 22014720. Its totient is φ = 967680.

The previous prime is 5225219. The next prime is 5225237. The reversal of 5225220 is 225225.

5225220 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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 5225193 and 5225202.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 180166 + ... + 180194.

It is an arithmetic number, because the mean of its divisors is an integer number (76440).

Almost surely, 25225220 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 5225220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11007360).

5225220 is an abundant number, since it is smaller than the sum of its proper divisors (16789500).

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

5225220 is a wasteful number, since it uses less digits than its factorization.

5225220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 5225220 is about 2285.8740122763. The cubic root of 5225220 is about 173.5274534593.

It can be divided in two parts, 5225 and 220, that added together give a palindrome (5445).

The spelling of 5225220 in words is "five million, two hundred twenty-five thousand, two hundred twenty".