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26853125 = 5513661
BaseRepresentation
bin110011001101…
…1111100000101
31212112021120012
41212123330011
523333300000
62355320005
7444150665
oct146337405
955467505
1026853125
1114181172
128bb0005
135742830
1437d01a5
152556735
hex199bf05

26853125 has 24 divisors (see below), whose sum is σ = 36200808. Its totient is φ = 19800000.

The previous prime is 26853097. The next prime is 26853133. The reversal of 26853125 is 52135862.

It is a Cunningham number, because it is equal to 51822+1.

It can be written as a sum of positive squares in 12 ways, for example, as 26853124 + 1 = 5182^2 + 1^2 .

It is not a de Polignac number, because 26853125 - 214 = 26836741 is a prime.

It is a super-3 number, since 3×268531253 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26853091 and 26853100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40295 + ... + 40955.

It is an arithmetic number, because the mean of its divisors is an integer number (1508367).

Almost surely, 226853125 is an apocalyptic number.

26853125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26853125 is a deficient number, since it is larger than the sum of its proper divisors (9347683).

26853125 is an frugal number, since it uses more digits than its factorization.

26853125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 679 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 26853125 is about 5182.0000964878. Note that the first 4 decimals coincide. The cubic root of 26853125 is about 299.4550291405.

Adding to 26853125 its reverse (52135862), we get a palindrome (78988987).

The spelling of 26853125 in words is "twenty-six million, eight hundred fifty-three thousand, one hundred twenty-five".

Divisors: 1 5 13 25 65 125 325 625 661 1625 3125 3305 8125 8593 16525 40625 42965 82625 214825 413125 1074125 2065625 5370625 26853125