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28494328 = 2315672273
BaseRepresentation
bin110110010110…
…0100111111000
31222121122212111
41230230213320
524243304303
62454422104
7464124562
oct154544770
958548774
1028494328
11150a2235
129661934
135b98865
143ada332
15277cb6d
hex1b2c9f8

28494328 has 16 divisors (see below), whose sum is σ = 53484480. Its totient is φ = 14231808.

The previous prime is 28494317. The next prime is 28494331. The reversal of 28494328 is 82349482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11400 + ... + 13672.

It is an arithmetic number, because the mean of its divisors is an integer number (3342780).

Almost surely, 228494328 is an apocalyptic number.

It is an amenable number.

28494328 is a deficient number, since it is larger than the sum of its proper divisors (24990152).

28494328 is a wasteful number, since it uses less digits than its factorization.

28494328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3846 (or 3842 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 28494328 is about 5338.0078681096. The cubic root of 28494328 is about 305.4354721865.

The spelling of 28494328 in words is "twenty-eight million, four hundred ninety-four thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 1567 2273 3134 4546 6268 9092 12536 18184 3561791 7123582 14247164 28494328