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26006140 = 2251300307
BaseRepresentation
bin110001100110…
…1001001111100
31210221020201101
41203031021330
523124144030
62325222444
7434022436
oct143151174
953836641
1026006140
1113752886
128861a24
135507164
14364d656
15243a7ca
hex18cd27c

26006140 has 12 divisors (see below), whose sum is σ = 54612936. Its totient is φ = 10402448.

The previous prime is 26006137. The next prime is 26006203. The reversal of 26006140 is 4160062.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 650134 + ... + 650173.

It is an arithmetic number, because the mean of its divisors is an integer number (4551078).

Almost surely, 226006140 is an apocalyptic number.

26006140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26006140 is an abundant number, since it is smaller than the sum of its proper divisors (28606796).

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

26006140 is a wasteful number, since it uses less digits than its factorization.

26006140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300316 (or 1300314 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 26006140 is about 5099.6215545862. The cubic root of 26006140 is about 296.2729251666.

The spelling of 26006140 in words is "twenty-six million, six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 1300307 2600614 5201228 6501535 13003070 26006140