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75528000 = 2632531049
BaseRepresentation
bin1001000000001…
…11011101000000
312021010012221100
410200013131000
5123313344000
611254454400
71604656152
oct440073500
9167105840
1075528000
11396a7339
1221364400
1312855a32
14a060ad2
15696da00
hex4807740

75528000 has 168 divisors, whose sum is σ = 270433800. Its totient is φ = 20121600.

The previous prime is 75527993. The next prime is 75528031. The reversal of 75528000 is 82557.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 46656 + 75481344 = 216^2 + 8688^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71476 + ... + 72524.

It is an arithmetic number, because the mean of its divisors is an integer number (1609725).

Almost surely, 275528000 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 75528000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135216900).

75528000 is an abundant number, since it is smaller than the sum of its proper divisors (194905800).

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

75528000 is a wasteful number, since it uses less digits than its factorization.

75528000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 75528000 is about 8690.6846680800. The cubic root of 75528000 is about 422.7036470257.

The spelling of 75528000 in words is "seventy-five million, five hundred twenty-eight thousand".