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426650807 = 1138786437
BaseRepresentation
bin11001011011100…
…010110010110111
31002201211002212202
4121123202302313
51333210311212
6110200335115
713400320622
oct3133426267
91081732782
10426650807
111a9919080
12baa7449b
136a512ccb
1440940db9
15276ca0c2
hex196e2cb7

426650807 has 4 divisors (see below), whose sum is σ = 465437256. Its totient is φ = 387864360.

The previous prime is 426650789. The next prime is 426650821. The reversal of 426650807 is 708056624.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 426650807 - 226 = 359541943 is a prime.

It is a super-2 number, since 2×4266508072 = 364061822227502498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426650827) 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 3 ways as a sum of consecutive naturals, for example, 19393208 + ... + 19393229.

It is an arithmetic number, because the mean of its divisors is an integer number (116359314).

Almost surely, 2426650807 is an apocalyptic number.

426650807 is a deficient number, since it is larger than the sum of its proper divisors (38786449).

426650807 is a wasteful number, since it uses less digits than its factorization.

426650807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38786448.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 426650807 is about 20655.5272747998. The cubic root of 426650807 is about 752.8194951657.

The spelling of 426650807 in words is "four hundred twenty-six million, six hundred fifty thousand, eight hundred seven".

Divisors: 1 11 38786437 426650807