Search a number
-
+
26147268 = 223271943127
BaseRepresentation
bin110001110111…
…1100111000100
31211012102022100
41203233213010
523143203033
62332232100
7435151050
oct143574704
954172270
1026147268
1113839914
12890b630
135556474
143688c60
152467513
hex18ef9c4

26147268 has 144 divisors (see below), whose sum is σ = 82001920. Its totient is φ = 6858432.

The previous prime is 26147263. The next prime is 26147273. The reversal of 26147268 is 86274162.

It is an interprime number because it is at equal distance from previous prime (26147263) and next prime (26147273).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (26147263) 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, 205821 + ... + 205947.

Almost surely, 226147268 is an apocalyptic number.

26147268 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 26147268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41000960).

26147268 is an abundant number, since it is smaller than the sum of its proper divisors (55854652).

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

26147268 is a wasteful number, since it uses less digits than its factorization.

26147268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 201 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 26147268 is about 5113.4399380456. The cubic root of 26147268 is about 296.8078885493.

The spelling of 26147268 in words is "twenty-six million, one hundred forty-seven thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 19 21 28 36 38 42 43 57 63 76 84 86 114 126 127 129 133 171 172 228 252 254 258 266 301 342 381 387 399 508 516 532 602 684 762 774 798 817 889 903 1143 1197 1204 1524 1548 1596 1634 1778 1806 2286 2394 2413 2451 2667 2709 3268 3556 3612 4572 4788 4826 4902 5334 5418 5461 5719 7239 7353 8001 9652 9804 10668 10836 10922 11438 14478 14706 16002 16383 16891 17157 21717 21844 22876 28956 29412 32004 32766 33782 34314 38227 43434 49149 50673 51471 65532 67564 68628 76454 86868 98298 101346 102942 103759 114681 152019 152908 196596 202692 205884 207518 229362 304038 311277 344043 415036 458724 608076 622554 688086 726313 933831 1245108 1376172 1452626 1867662 2178939 2905252 3735324 4357878 6536817 8715756 13073634 26147268