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5205220 = 2252331117
BaseRepresentation
bin10011110110110011100100
3100210110012221
4103312303210
52313031340
6303322124
762146366
oct23666344
910713187
105205220
112a35839
1218b0344
131103317
14996d36
156cc44a
hex4f6ce4

5205220 has 24 divisors (see below), whose sum is σ = 10987704. Its totient is φ = 2071296.

The previous prime is 5205173. The next prime is 5205227. The reversal of 5205220 is 225025.

It can be written as a sum of positive squares in 4 ways, for example, as 79524 + 5125696 = 282^2 + 2264^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5205194 and 5205203.

It is not an unprimeable number, because it can be changed into a prime (5205227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4102 + ... + 5218.

It is an arithmetic number, because the mean of its divisors is an integer number (457821).

Almost surely, 25205220 is an apocalyptic number.

It is an amenable number.

5205220 is an abundant number, since it is smaller than the sum of its proper divisors (5782484).

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

5205220 is a wasteful number, since it uses less digits than its factorization.

5205220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359 (or 1357 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 5205220 is about 2281.4951238168. The cubic root of 5205220 is about 173.3057730672.

The spelling of 5205220 in words is "five million, two hundred five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 233 466 932 1117 1165 2234 2330 4468 4660 5585 11170 22340 260261 520522 1041044 1301305 2602610 5205220