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7528132 = 226130853
BaseRepresentation
bin11100101101111011000100
3112011110122201
4130231323010
53411400012
6425204244
7120662623
oct34557304
915143581
107528132
114281aa7
122630684
131737721
14ddd6ba
159da857
hex72dec4

7528132 has 12 divisors (see below), whose sum is σ = 13390636. Its totient is φ = 3702240.

The previous prime is 7528121. The next prime is 7528141. The reversal of 7528132 is 2318257.

It can be written as a sum of positive squares in 2 ways, for example, as 484416 + 7043716 = 696^2 + 2654^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7528132.

It is an unprimeable number.

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, 15183 + ... + 15670.

Almost surely, 27528132 is an apocalyptic number.

It is an amenable number.

7528132 is a deficient number, since it is larger than the sum of its proper divisors (5862504).

7528132 is a wasteful number, since it uses less digits than its factorization.

7528132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30918 (or 30916 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 7528132 is about 2743.7441571692. The cubic root of 7528132 is about 195.9878168187.

The spelling of 7528132 in words is "seven million, five hundred twenty-eight thousand, one hundred thirty-two".

Divisors: 1 2 4 61 122 244 30853 61706 123412 1882033 3764066 7528132