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26961125 = 53215689
BaseRepresentation
bin110011011011…
…0010011100101
31212201202201012
41212312103211
523400224000
62401512005
7445110602
oct146662345
955652635
1026961125
1114245324
129042605
13577ca39
14381b6a9
152578735
hex19b64e5

26961125 has 8 divisors (see below), whose sum is σ = 33647640. Its totient is φ = 21568800.

The previous prime is 26961113. The next prime is 26961131. The reversal of 26961125 is 52116962.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4739329 + 22221796 = 2177^2 + 4714^2 .

It is not a de Polignac number, because 26961125 - 26 = 26961061 is a prime.

It is a super-2 number, since 2×269611252 = 1453804522531250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26961091 and 26961100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107720 + ... + 107969.

It is an arithmetic number, because the mean of its divisors is an integer number (4205955).

Almost surely, 226961125 is an apocalyptic number.

26961125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26961125 is a deficient number, since it is larger than the sum of its proper divisors (6686515).

26961125 is an equidigital number, since it uses as much as digits as its factorization.

26961125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215704 (or 215694 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 26961125 is about 5192.4103266210. The cubic root of 26961125 is about 299.8559493610.

The spelling of 26961125 in words is "twenty-six million, nine hundred sixty-one thousand, one hundred twenty-five".

Divisors: 1 5 25 125 215689 1078445 5392225 26961125