Search a number
-
+
26118972 = 22321165957
BaseRepresentation
bin110001110100…
…0101100111100
31211010222111100
41203220230330
523141301342
62331453100
7435002415
oct143505474
954128440
1026118972
111381a630
1288b7190
135546619
14367c80c
15245de4c
hex18e8b3c

26118972 has 36 divisors (see below), whose sum is σ = 72026136. Its totient is φ = 7914720.

The previous prime is 26118971. The next prime is 26118979. The reversal of 26118972 is 27981162.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26118971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32583 + ... + 33374.

It is an arithmetic number, because the mean of its divisors is an integer number (2000726).

Almost surely, 226118972 is an apocalyptic number.

26118972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

26118972 is an abundant number, since it is smaller than the sum of its proper divisors (45907164).

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

26118972 is a wasteful number, since it uses less digits than its factorization.

26118972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65978 (or 65973 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 26118972 is about 5110.6723628110. The cubic root of 26118972 is about 296.7007835751.

26118972 divided by its sum of digits (36) gives a palindrome (725527).

The spelling of 26118972 in words is "twenty-six million, one hundred eighteen thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 65957 131914 197871 263828 395742 593613 725527 791484 1187226 1451054 2176581 2374452 2902108 4353162 6529743 8706324 13059486 26118972