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28794516 = 2232399543
BaseRepresentation
bin110110111010…
…1111010010100
32000011220122120
41231311322110
524332411031
62505055540
7466515012
oct155657224
960156576
1028794516
1115287823
1297875b0
135c7239a
143b778b2
1527dba96
hex1b75e94

28794516 has 12 divisors (see below), whose sum is σ = 67187232. Its totient is φ = 9598168.

The previous prime is 28794509. The next prime is 28794527. The reversal of 28794516 is 61549782.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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, 1199760 + ... + 1199783.

It is an arithmetic number, because the mean of its divisors is an integer number (5598936).

Almost surely, 228794516 is an apocalyptic number.

It is an amenable number.

28794516 is an abundant number, since it is smaller than the sum of its proper divisors (38392716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28794516 is a wasteful number, since it uses less digits than its factorization.

28794516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399550 (or 2399548 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 28794516 is about 5366.0521801414. The cubic root of 28794516 is about 306.5043159774.

The spelling of 28794516 in words is "twenty-eight million, seven hundred ninety-four thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 12 2399543 4799086 7198629 9598172 14397258 28794516