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26968693 = 411135821
BaseRepresentation
bin110011011100…
…0001001110101
31212202011002111
41212320021311
523400444233
62402011021
7445141633
oct146701165
955664074
1026968693
111424aa84
129046a71
13578330b
143820353
15257aacd
hex19b8275

26968693 has 8 divisors (see below), whose sum is σ = 27875736. Its totient is φ = 26073600.

The previous prime is 26968661. The next prime is 26968703. The reversal of 26968693 is 39686962.

It can be written as a sum of positive squares in 4 ways, for example, as 1444 + 26967249 = 38^2 + 5193^2 .

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 26968693 - 25 = 26968661 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26968633) 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, 1723 + ... + 7543.

It is an arithmetic number, because the mean of its divisors is an integer number (3484467).

Almost surely, 226968693 is an apocalyptic number.

It is an amenable number.

26968693 is a deficient number, since it is larger than the sum of its proper divisors (907043).

26968693 is a wasteful number, since it uses less digits than its factorization.

26968693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5975.

The product of its digits is 839808, while the sum is 49.

The square root of 26968693 is about 5193.1390314529. The cubic root of 26968693 is about 299.8840033031.

The spelling of 26968693 in words is "twenty-six million, nine hundred sixty-eight thousand, six hundred ninety-three".

Divisors: 1 41 113 4633 5821 238661 657773 26968693