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26081000 = 2353112371
BaseRepresentation
bin110001101111…
…1011011101000
31211002001101222
41203133123220
523134043000
62331001212
7434453621
oct143373350
954061358
1026081000
11137a4050
128899208
13553225a
14366ca48
152452a85
hex18df6e8

26081000 has 64 divisors (see below), whose sum is σ = 66605760. Its totient is φ = 9480000.

The previous prime is 26080979. The next prime is 26081017. The reversal of 26081000 is 18062.

It is a super-2 number, since 2×260810002 = 1360437122000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26081000.

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, 9815 + ... + 12185.

It is an arithmetic number, because the mean of its divisors is an integer number (1040715).

Almost surely, 226081000 is an apocalyptic number.

26081000 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 26081000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33302880).

26081000 is an abundant number, since it is smaller than the sum of its proper divisors (40524760).

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

26081000 is a wasteful number, since it uses less digits than its factorization.

26081000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403 (or 2389 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 26081000 is about 5106.9560405392. The cubic root of 26081000 is about 296.5569317387.

Adding to 26081000 its reverse (18062), we get a palindrome (26099062).

The spelling of 26081000 in words is "twenty-six million, eighty-one thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 440 500 550 1000 1100 1375 2200 2371 2750 4742 5500 9484 11000 11855 18968 23710 26081 47420 52162 59275 94840 104324 118550 130405 208648 237100 260810 296375 474200 521620 592750 652025 1043240 1185500 1304050 2371000 2608100 3260125 5216200 6520250 13040500 26081000