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28048616 = 233506077
BaseRepresentation
bin110101011111…
…1110011101000
31221210000110122
41222333303220
524140023431
62441102412
7460260251
oct152776350
957700418
1028048616
1114918382
129487a08
135a70a1b
143a21b28
1526e0a7b
hex1abfce8

28048616 has 8 divisors (see below), whose sum is σ = 52591170. Its totient is φ = 14024304.

The previous prime is 28048591. The next prime is 28048619. The reversal of 28048616 is 61684082.

It can be written as a sum of positive squares in only one way, i.e., 27984100 + 64516 = 5290^2 + 254^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28048619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753031 + ... + 1753046.

Almost surely, 228048616 is an apocalyptic number.

It is an amenable number.

28048616 is a deficient number, since it is larger than the sum of its proper divisors (24542554).

28048616 is a wasteful number, since it uses less digits than its factorization.

28048616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506083 (or 3506079 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 28048616 is about 5296.0944100346. The cubic root of 28048616 is about 303.8345417721.

The spelling of 28048616 in words is "twenty-eight million, forty-eight thousand, six hundred sixteen".

Divisors: 1 2 4 8 3506077 7012154 14024308 28048616