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26550828 = 2234192227
BaseRepresentation
bin110010101001…
…0001000101100
31211221220220000
41211102020230
523244111303
62345024300
7441451443
oct145221054
954856800
1026550828
1113a95037
128a85090
135668065
143751d5a
1524e6da3
hex195222c

26550828 has 90 divisors (see below), whose sum is σ = 73577196. Its totient is φ = 8347536.

The previous prime is 26550791. The next prime is 26550841. The reversal of 26550828 is 82805562.

26550828 is a `hidden beast` number, since 26 + 550 + 82 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 26550792 and 26550801.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 116851 + ... + 117077.

Almost surely, 226550828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26550828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36788598).

26550828 is an abundant number, since it is smaller than the sum of its proper divisors (47026368).

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

26550828 is a wasteful number, since it uses less digits than its factorization.

26550828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 26550828 is about 5152.7495572752. The cubic root of 26550828 is about 298.3270885647.

The spelling of 26550828 in words is "twenty-six million, five hundred fifty thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 19 27 36 38 54 57 76 81 108 114 162 171 227 228 324 342 361 454 513 681 684 722 908 1026 1083 1362 1444 1539 2043 2052 2166 2724 3078 3249 4086 4313 4332 6129 6156 6498 8172 8626 9747 12258 12939 12996 17252 18387 19494 24516 25878 29241 36774 38817 38988 51756 58482 73548 77634 81947 116451 116964 155268 163894 232902 245841 327788 349353 465804 491682 698706 737523 983364 1397412 1475046 2212569 2950092 4425138 6637707 8850276 13275414 26550828