Search a number
-
+
26281944 = 23321343653
BaseRepresentation
bin110010001000…
…0011111011000
31211110021001100
41210100133120
523212010234
62335151400
7436251513
oct144203730
954407040
1026281944
1113921017
128975560
1355a2860
1436c1d7a
152492399
hex19107d8

26281944 has 96 divisors (see below), whose sum is σ = 78558480. Its totient is φ = 7886592.

The previous prime is 26281933. The next prime is 26281979. The reversal of 26281944 is 44918262.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 26281899 and 26281908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39922 + ... + 40574.

Almost surely, 226281944 is an apocalyptic number.

26281944 is a gapful number since it is divisible by the number (24) 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 26281944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39279240).

26281944 is an abundant number, since it is smaller than the sum of its proper divisors (52276536).

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

26281944 is a wasteful number, since it uses less digits than its factorization.

26281944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721 (or 714 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 26281944 is about 5126.5918503427. The cubic root of 26281944 is about 297.3166028288.

It can be divided in two parts, 26281 and 944, that added together give a square (27225 = 1652).

The spelling of 26281944 in words is "twenty-six million, two hundred eighty-one thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 36 39 43 52 72 78 86 104 117 129 156 172 234 258 312 344 387 468 516 559 653 774 936 1032 1118 1306 1548 1677 1959 2236 2612 3096 3354 3918 4472 5031 5224 5877 6708 7836 8489 10062 11754 13416 15672 16978 20124 23508 25467 28079 33956 40248 47016 50934 56158 67912 76401 84237 101868 112316 152802 168474 203736 224632 252711 305604 336948 365027 505422 611208 673896 730054 1010844 1095081 1460108 2021688 2190162 2920216 3285243 4380324 6570486 8760648 13140972 26281944