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1027431226 = 213727713537
BaseRepresentation
bin111101001111010…
…101101100111010
32122121021220200101
4331033111230322
54101010244401
6245541230014
734314010213
oct7517255472
92577256611
101027431226
11487a5a318
1224810230a
13134b22b93
149a64c40a
15602ee101
hex3d3d5b3a

1027431226 has 16 divisors (see below), whose sum is σ = 1558115496. Its totient is φ = 508087296.

The previous prime is 1027431203. The next prime is 1027431247. The reversal of 1027431226 is 6221347201.

It can be written as a sum of positive squares in 4 ways, for example, as 981882225 + 45549001 = 31335^2 + 6749^2 .

It is a super-2 number, since 2×10274312262 = 2111229848319726152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1027431194 and 1027431203.

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 7 ways as a sum of consecutive naturals, for example, 69130 + ... + 82666.

Almost surely, 21027431226 is an apocalyptic number.

1027431226 is a deficient number, since it is larger than the sum of its proper divisors (530684270).

1027431226 is a wasteful number, since it uses less digits than its factorization.

1027431226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13953.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1027431226 is about 32053.5680697173. The cubic root of 1027431226 is about 1009.0613852904.

Adding to 1027431226 its reverse (6221347201), we get a palindrome (7248778427).

The spelling of 1027431226 in words is "one billion, twenty-seven million, four hundred thirty-one thousand, two hundred twenty-six".

Divisors: 1 2 137 274 277 554 13537 27074 37949 75898 1854569 3709138 3749749 7499498 513715613 1027431226