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426888111 = 31319795531
BaseRepresentation
bin11001011100011…
…100101110101111
31002202021011101210
4121130130232233
51333240404421
6110205405503
713402326516
oct3134345657
91082234353
10426888111
111a9a703a1
12bab69893
136a597020
14409a367d
1527725576
hex1971cbaf

426888111 has 16 divisors (see below), whose sum is σ = 613388160. Its totient is φ = 262520160.

The previous prime is 426888107. The next prime is 426888167. The reversal of 426888111 is 111888624.

It is not a de Polignac number, because 426888111 - 22 = 426888107 is a prime.

It is a super-3 number, since 3×4268881113 (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 426888111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426888311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74416 + ... + 79946.

It is an arithmetic number, because the mean of its divisors is an integer number (38336760).

Almost surely, 2426888111 is an apocalyptic number.

426888111 is a deficient number, since it is larger than the sum of its proper divisors (186500049).

426888111 is a wasteful number, since it uses less digits than its factorization.

426888111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7526.

The product of its digits is 24576, while the sum is 39.

The square root of 426888111 is about 20661.2707982834. The cubic root of 426888111 is about 752.9590425141.

The spelling of 426888111 in words is "four hundred twenty-six million, eight hundred eighty-eight thousand, one hundred eleven".

Divisors: 1 3 13 39 1979 5531 5937 16593 25727 71903 77181 215709 10945849 32837547 142296037 426888111