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4585220 = 225229261
BaseRepresentation
bin10001011111011100000100
322121221201222
4101133130010
52133211340
6242135512
753654663
oct21373404
98557658
104585220
112651a42
121651598
13c47063
14874dda
156088b5
hex45f704

4585220 has 12 divisors (see below), whose sum is σ = 9629004. Its totient is φ = 1834080.

The previous prime is 4585183. The next prime is 4585249. The reversal of 4585220 is 225854.

It can be written as a sum of positive squares in 2 ways, for example, as 891136 + 3694084 = 944^2 + 1922^2 .

It is a d-powerful number, because it can be written as 44 + 52 + 8 + 58 + 2 + 222 + 0 .

It is a self number, because there is not a number n which added to its sum of digits gives 4585220.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 114611 + ... + 114650.

It is an arithmetic number, because the mean of its divisors is an integer number (802417).

Almost surely, 24585220 is an apocalyptic number.

It is an amenable number.

4585220 is an abundant number, since it is smaller than the sum of its proper divisors (5043784).

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

4585220 is a wasteful number, since it uses less digits than its factorization.

4585220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229270 (or 229268 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 4585220 is about 2141.3126815110. The cubic root of 4585220 is about 166.1320379778.

The spelling of 4585220 in words is "four million, five hundred eighty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 229261 458522 917044 1146305 2292610 4585220