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5721528 = 233238397
BaseRepresentation
bin10101110100110110111000
3101202200110110
4111310312320
52431042103
6322344320
766426561
oct25646670
911680413
105721528
11325873a
121abb0a0
131254327
14a8d168
15780403
hex574db8

5721528 has 16 divisors (see below), whose sum is σ = 14303880. Its totient is φ = 1907168.

The previous prime is 5721523. The next prime is 5721539. The reversal of 5721528 is 8251275.

5721528 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 5721495 and 5721504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721523) 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 3 ways as a sum of consecutive naturals, for example, 119175 + ... + 119222.

Almost surely, 25721528 is an apocalyptic number.

It is an amenable number.

5721528 is an abundant number, since it is smaller than the sum of its proper divisors (8582352).

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

5721528 is a wasteful number, since it uses less digits than its factorization.

5721528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238406 (or 238402 counting only the distinct ones).

The product of its digits is 5600, while the sum is 30.

The square root of 5721528 is about 2391.9715717374. The cubic root of 5721528 is about 178.8562040227.

The spelling of 5721528 in words is "five million, seven hundred twenty-one thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 238397 476794 715191 953588 1430382 1907176 2860764 5721528