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26330040 = 233251161109
BaseRepresentation
bin110010001110…
…0001110111000
31211112201000200
41210130032320
523220030130
62340202200
7436541652
oct144341670
954481020
1026330040
1113954170
128999360
1355bb709
1436d56d2
1524a1760
hex191c3b8

26330040 has 192 divisors, whose sum is σ = 95752800. Its totient is φ = 6220800.

The previous prime is 26330033. The next prime is 26330041. The reversal of 26330040 is 4003362.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 26329995 and 26330022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26330041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 241506 + ... + 241614.

Almost surely, 226330040 is an apocalyptic number.

26330040 is a gapful number since it is divisible by the number (20) 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 26330040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47876400).

26330040 is an abundant number, since it is smaller than the sum of its proper divisors (69422760).

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

26330040 is a wasteful number, since it uses less digits than its factorization.

26330040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 26330040 is about 5131.2805419310. The cubic root of 26330040 is about 297.4978555974.

It can be divided in two parts, 263 and 30040, that added together give a palindrome (30303).

The spelling of 26330040 in words is "twenty-six million, three hundred thirty thousand, forty".