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542748528 = 2432717191667
BaseRepresentation
bin100000010110011…
…010111101110000
31101211021111000100
4200112122331300
52102420423103
6125504552400
716310200140
oct4026327560
91354244010
10542748528
11259405003
12131922700
13885a199a
1452122920
15329ae5a3
hex2059af70

542748528 has 240 divisors, whose sum is σ = 1935947520. Its totient is φ = 138184704.

The previous prime is 542748517. The next prime is 542748539. The reversal of 542748528 is 825847245.

542748528 is a `hidden beast` number, since 54 + 2 + 74 + 8 + 528 = 666.

It is an interprime number because it is at equal distance from previous prime (542748517) and next prime (542748539).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 324751 + ... + 326417.

It is an arithmetic number, because the mean of its divisors is an integer number (8066448).

Almost surely, 2542748528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542748528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967973760).

542748528 is an abundant number, since it is smaller than the sum of its proper divisors (1393198992).

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

542748528 is a wasteful number, since it uses less digits than its factorization.

542748528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724 (or 1715 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The square root of 542748528 is about 23296.9639223655. The cubic root of 542748528 is about 815.7045499017.

The spelling of 542748528 in words is "five hundred forty-two million, seven hundred forty-eight thousand, five hundred twenty-eight".