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28880092 = 227979059
BaseRepresentation
bin110111000101…
…0110011011100
32000100021001001
41232022303130
524343130332
62511000044
7500322343
oct156126334
960307031
1028880092
111533604a
129809024
135ca2317
143b9ab5a
1528070e7
hex1b8acdc

28880092 has 12 divisors (see below), whose sum is σ = 50609160. Its totient is φ = 14420336.

The previous prime is 28880077. The next prime is 28880107. The reversal of 28880092 is 29008882.

It is an interprime number because it is at equal distance from previous prime (28880077) and next prime (28880107).

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, 1342 + ... + 7717.

It is an arithmetic number, because the mean of its divisors is an integer number (4217430).

Almost surely, 228880092 is an apocalyptic number.

It is an amenable number.

28880092 is a deficient number, since it is larger than the sum of its proper divisors (21729068).

28880092 is a wasteful number, since it uses less digits than its factorization.

28880092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9860 (or 9858 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 28880092 is about 5374.0200967246. The cubic root of 28880092 is about 306.8076546635.

The spelling of 28880092 in words is "twenty-eight million, eight hundred eighty thousand, ninety-two".

Divisors: 1 2 4 797 1594 3188 9059 18118 36236 7220023 14440046 28880092