Search a number
-
+
26281140 = 2235647677
BaseRepresentation
bin110010001000…
…0010010110100
31211110012221120
41210100102310
523211444030
62335143540
7436246254
oct144202264
954405846
1026281140
1113920456
128974bb0
1355a2392
1436c1964
152492010
hex19104b4

26281140 has 48 divisors (see below), whose sum is σ = 73809792. Its totient is φ = 6987136.

The previous prime is 26281117. The next prime is 26281141. The reversal of 26281140 is 4118262.

It is a self number, because there is not a number n which added to its sum of digits gives 26281140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26281141) 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, 38482 + ... + 39158.

It is an arithmetic number, because the mean of its divisors is an integer number (1537704).

Almost surely, 226281140 is an apocalyptic number.

26281140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26281140 is an abundant number, since it is smaller than the sum of its proper divisors (47528652).

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

26281140 is a wasteful number, since it uses less digits than its factorization.

26281140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336 (or 1334 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 26281140 is about 5126.5134350746. The cubic root of 26281140 is about 297.3135710264.

The spelling of 26281140 in words is "twenty-six million, two hundred eighty-one thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 647 677 1294 1354 1941 2031 2588 2708 3235 3385 3882 4062 6470 6770 7764 8124 9705 10155 12940 13540 19410 20310 38820 40620 438019 876038 1314057 1752076 2190095 2628114 4380190 5256228 6570285 8760380 13140570 26281140