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4525220 = 225732323
BaseRepresentation
bin10001010000110010100100
322111220102202
4101100302210
52124301340
6240554032
753315030
oct21206244
98456382
104525220
112610957
121622918
13c2595b
1485b1c0
155e5c15
hex450ca4

4525220 has 24 divisors (see below), whose sum is σ = 10860864. Its totient is φ = 1551456.

The previous prime is 4525219. The next prime is 4525223. The reversal of 4525220 is 225254.

4525220 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 junction number, because it is equal to n+sod(n) for n = 4525192 and 4525201.

It is not an unprimeable number, because it can be changed into a prime (4525223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16022 + ... + 16301.

It is an arithmetic number, because the mean of its divisors is an integer number (452536).

Almost surely, 24525220 is an apocalyptic number.

It is an amenable number.

4525220 is an abundant number, since it is smaller than the sum of its proper divisors (6335644).

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

4525220 is a wasteful number, since it uses less digits than its factorization.

4525220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32339 (or 32337 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 4525220 is about 2127.2564490442. The cubic root of 4525220 is about 165.4042125132.

The spelling of 4525220 in words is "four million, five hundred twenty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 32323 64646 129292 161615 226261 323230 452522 646460 905044 1131305 2262610 4525220