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5436820 = 225271841
BaseRepresentation
bin10100101111010110010100
3101020012220201
4110233112110
52342434240
6312310244
764132534
oct24572624
911205821
105436820
113083844
1219a2384
13118486c
14a174c4
15725d9a
hex52f594

5436820 has 12 divisors (see below), whose sum is σ = 11417364. Its totient is φ = 2174720.

The previous prime is 5436803. The next prime is 5436829. The reversal of 5436820 is 286345.

It can be written as a sum of positive squares in 2 ways, for example, as 4177936 + 1258884 = 2044^2 + 1122^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5436829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135901 + ... + 135940.

It is an arithmetic number, because the mean of its divisors is an integer number (951447).

Almost surely, 25436820 is an apocalyptic number.

It is an amenable number.

5436820 is an abundant number, since it is smaller than the sum of its proper divisors (5980544).

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

5436820 is a wasteful number, since it uses less digits than its factorization.

5436820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271850 (or 271848 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 5436820 is about 2331.6989514086. The cubic root of 5436820 is about 175.8389107989.

The spelling of 5436820 in words is "five million, four hundred thirty-six thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 271841 543682 1087364 1359205 2718410 5436820