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5728540 = 225286427
BaseRepresentation
bin10101110110100100011100
3101210001002011
4111312210130
52431303130
6322441004
766456166
oct25664434
911701064
105728540
113262a34
121b03164
13125758c
14a91936
1578252a
hex57691c

5728540 has 12 divisors (see below), whose sum is σ = 12029976. Its totient is φ = 2291408.

The previous prime is 5728523. The next prime is 5728543. The reversal of 5728540 is 458275.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5728543) 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, 143194 + ... + 143233.

It is an arithmetic number, because the mean of its divisors is an integer number (1002498).

Almost surely, 25728540 is an apocalyptic number.

It is an amenable number.

5728540 is an abundant number, since it is smaller than the sum of its proper divisors (6301436).

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

5728540 is a wasteful number, since it uses less digits than its factorization.

5728540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286436 (or 286434 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 5728540 is about 2393.4368594137. The cubic root of 5728540 is about 178.9292397406.

The spelling of 5728540 in words is "five million, seven hundred twenty-eight thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 286427 572854 1145708 1432135 2864270 5728540