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4275220 = 2251811181
BaseRepresentation
bin10000010011110000010100
322001012111111
4100103300110
52043301340
6231344404
751224125
oct20236024
98035444
104275220
112460044
121522104
13b68c21
147d404c
15596aea
hex413c14

4275220 has 24 divisors (see below), whose sum is σ = 9035208. Its totient is φ = 1699200.

The previous prime is 4275181. The next prime is 4275233. The reversal of 4275220 is 225724.

It can be written as a sum of positive squares in 4 ways, for example, as 219024 + 4056196 = 468^2 + 2014^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4275191 and 4275200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3030 + ... + 4210.

It is an arithmetic number, because the mean of its divisors is an integer number (376467).

Almost surely, 24275220 is an apocalyptic number.

It is an amenable number.

4275220 is an abundant number, since it is smaller than the sum of its proper divisors (4759988).

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

4275220 is a wasteful number, since it uses less digits than its factorization.

4275220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371 (or 1369 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 4275220 is about 2067.6605137208. The cubic root of 4275220 is about 162.3003623327.

The spelling of 4275220 in words is "four million, two hundred seventy-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 181 362 724 905 1181 1810 2362 3620 4724 5905 11810 23620 213761 427522 855044 1068805 2137610 4275220