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26243025 = 352349907
BaseRepresentation
bin110010000011…
…0111111010001
31211101021122220
41210012333101
523204234100
62334251253
7436030164
oct144067721
954337586
1026243025
11138a4856
128956b29
13558ac23
1436b1adb
152485aa0
hex1906fd1

26243025 has 12 divisors (see below), whose sum is σ = 43388592. Its totient is φ = 13996240.

The previous prime is 26243017. The next prime is 26243039. The reversal of 26243025 is 52034262.

It is not a de Polignac number, because 26243025 - 23 = 26243017 is a prime.

It is a super-2 number, since 2×262430252 = 1377392722301250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26242986 and 26243004.

It is an unprimeable number.

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, 174879 + ... + 175028.

It is an arithmetic number, because the mean of its divisors is an integer number (3615716).

Almost surely, 226243025 is an apocalyptic number.

26243025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26243025 is a deficient number, since it is larger than the sum of its proper divisors (17145567).

26243025 is a wasteful number, since it uses less digits than its factorization.

26243025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349920 (or 349915 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 26243025 is about 5122.7946474556. The cubic root of 26243025 is about 297.1697722234.

Adding to 26243025 its reverse (52034262), we get a palindrome (78277287).

The spelling of 26243025 in words is "twenty-six million, two hundred forty-three thousand, twenty-five".

Divisors: 1 3 5 15 25 75 349907 1049721 1749535 5248605 8747675 26243025