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26481143 = 1316312497
BaseRepresentation
bin110010100000…
…1000111110111
31211211101022002
41211001013313
523234344033
62343325515
7441041333
oct145010767
954741262
1026481143
1113a47747
128a5089b
135642420
1437347c3
1524d13e8
hex19411f7

26481143 has 8 divisors (see below), whose sum is σ = 28695408. Its totient is φ = 24292224.

The previous prime is 26481113. The next prime is 26481157. The reversal of 26481143 is 34118462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26481143 - 218 = 26218999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26481113) 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 7 ways as a sum of consecutive naturals, for example, 4130 + ... + 8367.

It is an arithmetic number, because the mean of its divisors is an integer number (3586926).

Almost surely, 226481143 is an apocalyptic number.

26481143 is a deficient number, since it is larger than the sum of its proper divisors (2214265).

26481143 is a wasteful number, since it uses less digits than its factorization.

26481143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12673.

The product of its digits is 4608, while the sum is 29.

The square root of 26481143 is about 5145.9831908004. The cubic root of 26481143 is about 298.0658646060.

The spelling of 26481143 in words is "twenty-six million, four hundred eighty-one thousand, one hundred forty-three".

Divisors: 1 13 163 2119 12497 162461 2037011 26481143