Search a number
-
+
26291260 = 2251314563
BaseRepresentation
bin110010001001…
…0110000111100
31211110201211101
41210102300330
523212310020
62335302444
7436320622
oct144226074
954421741
1026291260
1113928016
12897aa24
1355a6b78
1436c5512
15249500a
hex1912c3c

26291260 has 12 divisors (see below), whose sum is σ = 55211688. Its totient is φ = 10516496.

The previous prime is 26291227. The next prime is 26291263. The reversal of 26291260 is 6219262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26291263) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 657262 + ... + 657301.

It is an arithmetic number, because the mean of its divisors is an integer number (4600974).

Almost surely, 226291260 is an apocalyptic number.

26291260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26291260 is an abundant number, since it is smaller than the sum of its proper divisors (28920428).

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

26291260 is a wasteful number, since it uses less digits than its factorization.

26291260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314572 (or 1314570 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 26291260 is about 5127.5003656753. The cubic root of 26291260 is about 297.3517280117.

The spelling of 26291260 in words is "twenty-six million, two hundred ninety-one thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 1314563 2629126 5258252 6572815 13145630 26291260