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26438442 = 235717717
BaseRepresentation
bin110010011011…
…0101100101010
31211202012201120
41210312230222
523232012232
62342400110
7440503002
oct144665452
954665646
1026438442
1113a18658
128a30036
135628b64
143723002
1524c392c
hex1936b2a

26438442 has 16 divisors (see below), whose sum is σ = 52976352. Its totient is φ = 8796240.

The previous prime is 26438441. The next prime is 26438449. The reversal of 26438442 is 24483462.

It is not an unprimeable number, because it can be changed into a prime (26438441) 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, 433 + ... + 7284.

It is an arithmetic number, because the mean of its divisors is an integer number (3311022).

Almost surely, 226438442 is an apocalyptic number.

26438442 is an abundant number, since it is smaller than the sum of its proper divisors (26537910).

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

26438442 is a wasteful number, since it uses less digits than its factorization.

26438442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8293.

The product of its digits is 36864, while the sum is 33.

The square root of 26438442 is about 5141.8325526995. The cubic root of 26438442 is about 297.9055674241.

The spelling of 26438442 in words is "twenty-six million, four hundred thirty-eight thousand, four hundred forty-two".

Divisors: 1 2 3 6 571 1142 1713 3426 7717 15434 23151 46302 4406407 8812814 13219221 26438442