Search a number
-
+
26145312 = 253272347
BaseRepresentation
bin110001110111…
…1001000100000
31211012022121220
41203233020200
523143122222
62332215040
7435142254
oct143571040
954168556
1026145312
11138383a6
12890a480
1355555cb
143688264
152466b5c
hex18ef220

26145312 has 24 divisors (see below), whose sum is σ = 68631696. Its totient is φ = 8715072.

The previous prime is 26145299. The next prime is 26145313. The reversal of 26145312 is 21354162.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (26145313) 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, 136078 + ... + 136269.

It is an arithmetic number, because the mean of its divisors is an integer number (2859654).

Almost surely, 226145312 is an apocalyptic number.

It is an amenable number.

26145312 is an abundant number, since it is smaller than the sum of its proper divisors (42486384).

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

26145312 is a wasteful number, since it uses less digits than its factorization.

26145312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272360 (or 272352 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 26145312 is about 5113.2486737885. The cubic root of 26145312 is about 296.8004872571.

Adding to 26145312 its reverse (21354162), we get a palindrome (47499474).

The spelling of 26145312 in words is "twenty-six million, one hundred forty-five thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 272347 544694 817041 1089388 1634082 2178776 3268164 4357552 6536328 8715104 13072656 26145312