Search a number
-
+
26805130 = 2511222153
BaseRepresentation
bin110011001000…
…0001110001010
31212102211201121
41212100032022
523330231010
62354305454
7443561032
oct146201612
955384647
1026805130
1114149100
128b8828a
135726a31
1437ba8c2
1525473da
hex199038a

26805130 has 24 divisors (see below), whose sum is σ = 53036676. Its totient is φ = 9746880.

The previous prime is 26805083. The next prime is 26805133. The reversal of 26805130 is 3150862.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23746129 + 3059001 = 4873^2 + 1749^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26805095 and 26805104.

It is not an unprimeable number, because it can be changed into a prime (26805133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9867 + ... + 12286.

Almost surely, 226805130 is an apocalyptic number.

26805130 is a deficient number, since it is larger than the sum of its proper divisors (26231546).

26805130 is a wasteful number, since it uses less digits than its factorization.

26805130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22182 (or 22171 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 26805130 is about 5177.3670914858. The cubic root of 26805130 is about 299.2765158977.

Adding to 26805130 its reverse (3150862), we get a palindrome (29955992).

The spelling of 26805130 in words is "twenty-six million, eight hundred five thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 121 242 605 1210 22153 44306 110765 221530 243683 487366 1218415 2436830 2680513 5361026 13402565 26805130