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5428420 = 2252691009
BaseRepresentation
bin10100101101010011000100
3101012210101121
4110231103010
52342202140
6312203324
764066204
oct24552304
911183347
105428420
1130784a8
121999544
131180aaa
14a14404
1572364a
hex52d4c4

5428420 has 24 divisors (see below), whose sum is σ = 11453400. Its totient is φ = 2161152.

The previous prime is 5428403. The next prime is 5428421. The reversal of 5428420 is 248245.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8836 + 5419584 = 94^2 + 2328^2 .

It is not an unprimeable number, because it can be changed into a prime (5428421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4876 + ... + 5884.

It is an arithmetic number, because the mean of its divisors is an integer number (477225).

Almost surely, 25428420 is an apocalyptic number.

It is an amenable number.

5428420 is an abundant number, since it is smaller than the sum of its proper divisors (6024980).

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

5428420 is a wasteful number, since it uses less digits than its factorization.

5428420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287 (or 1285 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 5428420 is about 2329.8969934313. The cubic root of 5428420 is about 175.7483058624.

The spelling of 5428420 in words is "five million, four hundred twenty-eight thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 269 538 1009 1076 1345 2018 2690 4036 5045 5380 10090 20180 271421 542842 1085684 1357105 2714210 5428420