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1027426205 = 51327915391
BaseRepresentation
bin111101001111010…
…100011110011101
32122121021122210102
4331033110132131
54101010114310
6245541150445
734313656451
oct7517243635
92577248712
101027426205
11487a56573
122480bb425
13134b20800
149a64a661
15602ec8a5
hex3d3d479d

1027426205 has 24 divisors (see below), whose sum is σ = 1352033280. Its totient is φ = 749062080.

The previous prime is 1027426189. The next prime is 1027426217. The reversal of 1027426205 is 5026247201.

It is a happy number.

It is not a de Polignac number, because 1027426205 - 24 = 1027426189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59060 + ... + 74450.

It is an arithmetic number, because the mean of its divisors is an integer number (56334720).

Almost surely, 21027426205 is an apocalyptic number.

It is an amenable number.

1027426205 is a deficient number, since it is larger than the sum of its proper divisors (324607075).

1027426205 is a wasteful number, since it uses less digits than its factorization.

1027426205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15501 (or 15488 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1027426205 is about 32053.4897476078. The cubic root of 1027426205 is about 1009.0597415452.

The spelling of 1027426205 in words is "one billion, twenty-seven million, four hundred twenty-six thousand, two hundred five".

Divisors: 1 5 13 65 79 169 395 845 1027 5135 13351 15391 66755 76955 200083 1000415 1215889 2601079 6079445 13005395 15806557 79032785 205485241 1027426205