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28855926 = 2341116193
BaseRepresentation
bin110111000010…
…0111001110110
32000022000220000
41232010321312
524341342201
62510252130
7500162031
oct156047166
960260800
1028855926
1115319980
1297b7046
135c94318
143b92018
1527eed86
hex1b84e76

28855926 has 40 divisors (see below), whose sum is σ = 70541064. Its totient is φ = 8743680.

The previous prime is 28855913. The next prime is 28855933. The reversal of 28855926 is 62955882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6315 + ... + 9878.

Almost surely, 228855926 is an apocalyptic number.

28855926 is an abundant number, since it is smaller than the sum of its proper divisors (41685138).

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

28855926 is a wasteful number, since it uses less digits than its factorization.

28855926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16218 (or 16209 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 28855926 is about 5371.7712162749. The cubic root of 28855926 is about 306.7220549503.

The spelling of 28855926 in words is "twenty-eight million, eight hundred fifty-five thousand, nine hundred twenty-six".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 81 99 162 198 297 594 891 1782 16193 32386 48579 97158 145737 178123 291474 356246 437211 534369 874422 1068738 1311633 1603107 2623266 3206214 4809321 9618642 14427963 28855926