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5428540 = 2251320879
BaseRepresentation
bin10100101101010100111100
3101012210120001
4110231110330
52342203130
6312204044
764066435
oct24552474
911183501
105428540
1130785a7
121999624
131180b70
14a1448c
157236ca
hex52d53c

5428540 has 24 divisors (see below), whose sum is σ = 12277440. Its totient is φ = 2004288.

The previous prime is 5428519. The next prime is 5428543. The reversal of 5428540 is 458245.

It is a junction number, because it is equal to n+sod(n) for n = 5428499 and 5428508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5428543) 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, 10180 + ... + 10699.

It is an arithmetic number, because the mean of its divisors is an integer number (511560).

Almost surely, 25428540 is an apocalyptic number.

It is an amenable number.

5428540 is an abundant number, since it is smaller than the sum of its proper divisors (6848900).

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

5428540 is a wasteful number, since it uses less digits than its factorization.

5428540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20901 (or 20899 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 5428540 is about 2329.9227455004. The cubic root of 5428540 is about 175.7496008765.

The spelling of 5428540 in words is "five million, four hundred twenty-eight thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 20879 41758 83516 104395 208790 271427 417580 542854 1085708 1357135 2714270 5428540