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75250328 = 239406291
BaseRepresentation
bin1000111110000…
…11101010011000
312020121010001012
410133003222120
5123231002303
611244513052
71602421466
oct437035230
9166533035
1075250328
113952775a
122124b788
131278952a
149dcb836
1569165d8
hex47c3a98

75250328 has 8 divisors (see below), whose sum is σ = 141094380. Its totient is φ = 37625160.

The previous prime is 75250327. The next prime is 75250339. The reversal of 75250328 is 82305257.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×752503282 = 11325223728215168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75250294 and 75250303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75250321) 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 as a sum of consecutive naturals, namely, 4703138 + ... + 4703153.

Almost surely, 275250328 is an apocalyptic number.

It is an amenable number.

75250328 is a deficient number, since it is larger than the sum of its proper divisors (65844052).

75250328 is a wasteful number, since it uses less digits than its factorization.

75250328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9406297 (or 9406293 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 75250328 is about 8674.6946920338. The cubic root of 75250328 is about 422.1850000838.

The spelling of 75250328 in words is "seventy-five million, two hundred fifty thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 9406291 18812582 37625164 75250328