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5545620 = 2232530809
BaseRepresentation
bin10101001001111010010100
3101102202011100
4111021322110
52404424440
6314510100
765064663
oct25117224
911382140
105545620
113148563
121a35330
1311c2242
14a44dda
15748230
hex549e94

5545620 has 36 divisors (see below), whose sum is σ = 16822260. Its totient is φ = 1478784.

The previous prime is 5545609. The next prime is 5545627. The reversal of 5545620 is 265455.

It can be written as a sum of positive squares in 2 ways, for example, as 3437316 + 2108304 = 1854^2 + 1452^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5545627) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 15225 + ... + 15584.

It is an arithmetic number, because the mean of its divisors is an integer number (467285).

Almost surely, 25545620 is an apocalyptic number.

It is an amenable number.

5545620 is an abundant number, since it is smaller than the sum of its proper divisors (11276640).

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

5545620 is a wasteful number, since it uses less digits than its factorization.

5545620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30824 (or 30819 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 5545620 is about 2354.9140111690. The cubic root of 5545620 is about 177.0041174949.

The spelling of 5545620 in words is "five million, five hundred forty-five thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 30809 61618 92427 123236 154045 184854 277281 308090 369708 462135 554562 616180 924270 1109124 1386405 1848540 2772810 5545620