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26768000 = 27537239
BaseRepresentation
bin110011000011…
…1001010000000
31212100221210102
41212013022000
523323034000
62353421532
7443344550
oct146071200
955327712
1026768000
1114123216
128b6a8a8
135712b6c
1437ab160
15253b3d5
hex1987280

26768000 has 128 divisors (see below), whose sum is σ = 76377600. Its totient is φ = 9139200.

The previous prime is 26767991. The next prime is 26768009. The reversal of 26768000 is 86762.

It is an interprime number because it is at equal distance from previous prime (26767991) and next prime (26768009).

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (26768009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111881 + ... + 112119.

It is an arithmetic number, because the mean of its divisors is an integer number (596700).

Almost surely, 226768000 is an apocalyptic number.

26768000 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 26768000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38188800).

26768000 is an abundant number, since it is smaller than the sum of its proper divisors (49609600).

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

26768000 is an equidigital number, since it uses as much as digits as its factorization.

26768000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 26768000 is about 5173.7800494416. The cubic root of 26768000 is about 299.1382678364.

The spelling of 26768000 in words is "twenty-six million, seven hundred sixty-eight thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 125 128 140 160 175 200 224 239 250 280 320 350 400 448 478 500 560 640 700 800 875 896 956 1000 1120 1195 1400 1600 1673 1750 1912 2000 2240 2390 2800 3200 3346 3500 3824 4000 4480 4780 5600 5975 6692 7000 7648 8000 8365 9560 11200 11950 13384 14000 15296 16000 16730 19120 22400 23900 26768 28000 29875 30592 33460 38240 41825 47800 53536 56000 59750 66920 76480 83650 95600 107072 112000 119500 133840 152960 167300 191200 209125 214144 239000 267680 334600 382400 418250 478000 535360 669200 764800 836500 956000 1070720 1338400 1673000 1912000 2676800 3346000 3824000 5353600 6692000 13384000 26768000