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26050540 = 2253142017
BaseRepresentation
bin110001101011…
…1111111101100
31211000111121211
41203113333230
523132104130
62330204204
7434266045
oct143277754
954014554
1026050540
111378317a
128883664
135521429
1436618cc
152448a2a
hex18d7fec

26050540 has 24 divisors (see below), whose sum is σ = 56472192. Its totient is φ = 10083840.

The previous prime is 26050523. The next prime is 26050543. The reversal of 26050540 is 4505062.

It is not an unprimeable number, because it can be changed into a prime (26050543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20389 + ... + 21628.

It is an arithmetic number, because the mean of its divisors is an integer number (2353008).

Almost surely, 226050540 is an apocalyptic number.

26050540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26050540 is an abundant number, since it is smaller than the sum of its proper divisors (30421652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26050540 is a wasteful number, since it uses less digits than its factorization.

26050540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42057 (or 42055 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 26050540 is about 5103.9729623108. The cubic root of 26050540 is about 296.4414371511.

The spelling of 26050540 in words is "twenty-six million, fifty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 42017 84034 168068 210085 420170 840340 1302527 2605054 5210108 6512635 13025270 26050540