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28068548 = 22191392657
BaseRepresentation
bin110101100010…
…0101011000100
31221211000210212
41223010223010
524141143143
62441334552
7460402334
oct153045304
957730725
1028068548
1114931352
129497458
135a79b11
143a290c4
1526e6918
hex1ac4ac4

28068548 has 24 divisors (see below), whose sum is σ = 52096800. Its totient is φ = 13195008.

The previous prime is 28068539. The next prime is 28068563. The reversal of 28068548 is 84586082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9236 + ... + 11892.

It is an arithmetic number, because the mean of its divisors is an integer number (2170700).

Almost surely, 228068548 is an apocalyptic number.

It is an amenable number.

28068548 is a deficient number, since it is larger than the sum of its proper divisors (24028252).

28068548 is a wasteful number, since it uses less digits than its factorization.

28068548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819 (or 2817 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 28068548 is about 5297.9758398845. The cubic root of 28068548 is about 303.9064953655.

The spelling of 28068548 in words is "twenty-eight million, sixty-eight thousand, five hundred forty-eight".

Divisors: 1 2 4 19 38 76 139 278 556 2641 2657 5282 5314 10564 10628 50483 100966 201932 369323 738646 1477292 7017137 14034274 28068548