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28827716 = 2217439859
BaseRepresentation
bin110110111111…
…0000001000100
32000020121012012
41231332001010
524334441331
62505513352
7500013551
oct155760104
960217165
1028827716
11152aa765
1297a2858
135c84528
143b85a28
1527e682b
hex1b7e044

28827716 has 24 divisors (see below), whose sum is σ = 54663840. Its totient is φ = 13249152.

The previous prime is 28827709. The next prime is 28827739. The reversal of 28827716 is 61772882.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2006 + ... + 7853.

It is an arithmetic number, because the mean of its divisors is an integer number (2277660).

Almost surely, 228827716 is an apocalyptic number.

It is an amenable number.

28827716 is a deficient number, since it is larger than the sum of its proper divisors (25836124).

28827716 is a wasteful number, since it uses less digits than its factorization.

28827716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9923 (or 9921 counting only the distinct ones).

The product of its digits is 75264, while the sum is 41.

The square root of 28827716 is about 5369.1448108614. The cubic root of 28827716 is about 306.6220702846.

The spelling of 28827716 in words is "twenty-eight million, eight hundred twenty-seven thousand, seven hundred sixteen".

Divisors: 1 2 4 17 34 43 68 86 172 731 1462 2924 9859 19718 39436 167603 335206 423937 670412 847874 1695748 7206929 14413858 28827716