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5420020 = 225457593
BaseRepresentation
bin10100101011001111110100
3101012100212111
4110223033310
52341420040
6312100404
764032544
oct24531764
911170774
105420020
113072161
121994704
13117a018
14a11324
15720dea
hex52b3f4

5420020 has 24 divisors (see below), whose sum is σ = 11426184. Its totient is φ = 2159616.

The previous prime is 5420017. The next prime is 5420029. The reversal of 5420020 is 200245.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1648656 + 3771364 = 1284^2 + 1942^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420029) 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, 8844 + ... + 9436.

It is an arithmetic number, because the mean of its divisors is an integer number (476091).

Almost surely, 25420020 is an apocalyptic number.

It is an amenable number.

5420020 is an abundant number, since it is smaller than the sum of its proper divisors (6006164).

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

5420020 is a wasteful number, since it uses less digits than its factorization.

5420020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 5420020 is about 2328.0936407284. The cubic root of 5420020 is about 175.6576074088.

Adding to 5420020 its reverse (200245), we get a palindrome (5620265).

The spelling of 5420020 in words is "five million, four hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 457 593 914 1186 1828 2285 2372 2965 4570 5930 9140 11860 271001 542002 1084004 1355005 2710010 5420020