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26672225 = 521066889
BaseRepresentation
bin110010110111…
…1110001100001
31212012002102012
41211233301201
523312002400
62351402305
7442465406
oct145576141
955162365
1026672225
1114068268
128b23395
1356ab3a8
1437842ad
15251cd35
hex196fc61

26672225 has 6 divisors (see below), whose sum is σ = 33073590. Its totient is φ = 21337760.

The previous prime is 26672221. The next prime is 26672237. The reversal of 26672225 is 52227662.

It can be written as a sum of positive squares in 3 ways, for example, as 5329 + 26666896 = 73^2 + 5164^2 .

It is not a de Polignac number, because 26672225 - 22 = 26672221 is a prime.

It is a super-2 number, since 2×266722252 = 1422815172901250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26672191 and 26672200.

It is not an unprimeable number, because it can be changed into a prime (26672221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 533420 + ... + 533469.

It is an arithmetic number, because the mean of its divisors is an integer number (5512265).

Almost surely, 226672225 is an apocalyptic number.

26672225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26672225 is a deficient number, since it is larger than the sum of its proper divisors (6401365).

26672225 is a wasteful number, since it uses less digits than its factorization.

26672225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066899 (or 1066894 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 26672225 is about 5164.5159502126. The cubic root of 26672225 is about 298.7810726129.

Adding to 26672225 its reverse (52227662), we get a palindrome (78899887).

The spelling of 26672225 in words is "twenty-six million, six hundred seventy-two thousand, two hundred twenty-five".

Divisors: 1 5 25 1066889 5334445 26672225