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28093112 = 2317229419
BaseRepresentation
bin110101100101…
…0101010111000
31221212021111122
41223022222320
524142434422
62442044412
7460534055
oct153125270
957767448
1028093112
1114948853
1294a9708
135a88058
143a3402c
1526edd42
hex1acaab8

28093112 has 48 divisors (see below), whose sum is σ = 58023000. Its totient is φ = 12733952.

The previous prime is 28093103. The next prime is 28093181. The reversal of 28093112 is 21139082.

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 11 ways as a sum of consecutive naturals, for example, 66839 + ... + 67257.

Almost surely, 228093112 is an apocalyptic number.

It is an amenable number.

28093112 is an abundant number, since it is smaller than the sum of its proper divisors (29929888).

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

28093112 is a wasteful number, since it uses less digits than its factorization.

28093112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 28093112 is about 5300.2935767748. The cubic root of 28093112 is about 303.9951234213.

The spelling of 28093112 in words is "twenty-eight million, ninety-three thousand, one hundred twelve".

Divisors: 1 2 4 8 17 29 34 58 68 116 136 232 289 419 493 578 838 986 1156 1676 1972 2312 3352 3944 7123 8381 12151 14246 16762 24302 28492 33524 48604 56984 67048 97208 121091 206567 242182 413134 484364 826268 968728 1652536 3511639 7023278 14046556 28093112