Search a number
-
+
26423880 = 2335783379
BaseRepresentation
bin110010011001…
…1001001001000
31211201110202020
41210303021020
523231031010
62342204440
7440412360
oct144631110
954643666
1026423880
1113a0871a
128a23720
135622342
14371b9a0
1524be470
hex1933248

26423880 has 128 divisors (see below), whose sum is σ = 91929600. Its totient is φ = 5951232.

The previous prime is 26423863. The next prime is 26423893. The reversal of 26423880 is 8832462.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69531 + ... + 69909.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 226423880 is an apocalyptic number.

26423880 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 26423880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45964800).

26423880 is an abundant number, since it is smaller than the sum of its proper divisors (65505720).

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

26423880 is a wasteful number, since it uses less digits than its factorization.

26423880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 26423880 is about 5140.4163255519. The cubic root of 26423880 is about 297.8508630209.

The spelling of 26423880 in words is "twenty-six million, four hundred twenty-three thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 83 84 105 120 140 166 168 210 249 280 332 379 415 420 498 581 664 758 830 840 996 1137 1162 1245 1516 1660 1743 1895 1992 2274 2324 2490 2653 2905 3032 3320 3486 3790 4548 4648 4980 5306 5685 5810 6972 7580 7959 8715 9096 9960 10612 11370 11620 13265 13944 15160 15918 17430 21224 22740 23240 26530 31457 31836 34860 39795 45480 53060 62914 63672 69720 79590 94371 106120 125828 157285 159180 188742 220199 251656 314570 318360 377484 440398 471855 629140 660597 754968 880796 943710 1100995 1258280 1321194 1761592 1887420 2201990 2642388 3302985 3774840 4403980 5284776 6605970 8807960 13211940 26423880