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26203828 = 227371269
BaseRepresentation
bin110001111110…
…1011010110100
31211022021220011
41203331122310
523202010303
62333350004
7435505000
oct143753264
954267804
1026203828
1113878362
128938304
135576131
1436a1700
15247916d
hex18fd6b4

26203828 has 48 divisors (see below), whose sum is σ = 54432000. Its totient is φ = 11030880.

The previous prime is 26203811. The next prime is 26203867. The reversal of 26203828 is 82830262.

It is a self number, because there is not a number n which added to its sum of digits gives 26203828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97278 + ... + 97546.

It is an arithmetic number, because the mean of its divisors is an integer number (1134000).

Almost surely, 226203828 is an apocalyptic number.

26203828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26203828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27216000).

26203828 is an abundant number, since it is smaller than the sum of its proper divisors (28228172).

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

26203828 is a wasteful number, since it uses less digits than its factorization.

26203828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 26203828 is about 5118.9674740127. The cubic root of 26203828 is about 297.0217459996.

The spelling of 26203828 in words is "twenty-six million, two hundred three thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7 14 28 49 71 98 142 196 269 284 343 497 538 686 994 1076 1372 1883 1988 3479 3766 6958 7532 13181 13916 19099 24353 26362 38198 48706 52724 76396 92267 97412 133693 184534 267386 369068 534772 935851 1871702 3743404 6550957 13101914 26203828