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26401360 = 245330017
BaseRepresentation
bin110010010110…
…1101001010000
31211200022212011
41210231221100
523224320420
62341512304
7440256616
oct144555120
954608764
1026401360
11139a2807
128a12694
13561500b
1437136b6
1524b795a
hex192da50

26401360 has 20 divisors (see below), whose sum is σ = 61383348. Its totient is φ = 10560512.

The previous prime is 26401343. The next prime is 26401369. The reversal of 26401360 is 6310462.

It can be written as a sum of positive squares in 2 ways, for example, as 11128896 + 15272464 = 3336^2 + 3908^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26401369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164929 + ... + 165088.

Almost surely, 226401360 is an apocalyptic number.

26401360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26401360 is an abundant number, since it is smaller than the sum of its proper divisors (34981988).

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

26401360 is a wasteful number, since it uses less digits than its factorization.

26401360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330030 (or 330024 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 26401360 is about 5138.2253745822. The cubic root of 26401360 is about 297.7662235725.

The spelling of 26401360 in words is "twenty-six million, four hundred one thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 330017 660034 1320068 1650085 2640136 3300170 5280272 6600340 13200680 26401360