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28068662 = 2196112109
BaseRepresentation
bin110101100010…
…0101100110110
31221211000222002
41223010230312
524141144122
62441335302
7460402556
oct153045466
957730862
1028068662
1114931446
129497532
135a79b9b
143a29166
1526e6992
hex1ac4b36

28068662 has 16 divisors (see below), whose sum is σ = 45049200. Its totient is φ = 13076640.

The previous prime is 28068629. The next prime is 28068679. The reversal of 28068662 is 26686082.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3737 + ... + 8372.

It is an arithmetic number, because the mean of its divisors is an integer number (2815575).

Almost surely, 228068662 is an apocalyptic number.

28068662 is a deficient number, since it is larger than the sum of its proper divisors (16980538).

28068662 is a wasteful number, since it uses less digits than its factorization.

28068662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12191.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 28068662 is about 5297.9865986995. The cubic root of 28068662 is about 303.9069068022.

The spelling of 28068662 in words is "twenty-eight million, sixty-eight thousand, six hundred sixty-two".

Divisors: 1 2 19 38 61 122 1159 2318 12109 24218 230071 460142 738649 1477298 14034331 28068662