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1206256226 = 2731758391
BaseRepresentation
bin100011111100110…
…0000001001100010
310010001210011110112
41013321200021202
54432300144401
6315410131322
741615003000
oct10771401142
93101704415
101206256226
1156999a17a
12297b80b42
13162ba4ca6
14b62bba70
1570d743bb
hex47e60262

1206256226 has 16 divisors (see below), whose sum is σ = 2110070400. Its totient is φ = 516966660.

The previous prime is 1206256201. The next prime is 1206256243. The reversal of 1206256226 is 6226526021.

It is a junction number, because it is equal to n+sod(n) for n = 1206256192 and 1206256201.

It is an unprimeable number.

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, 878510 + ... + 879881.

It is an arithmetic number, because the mean of its divisors is an integer number (131879400).

Almost surely, 21206256226 is an apocalyptic number.

1206256226 is a deficient number, since it is larger than the sum of its proper divisors (903814174).

1206256226 is an equidigital number, since it uses as much as digits as its factorization.

1206256226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758414 (or 1758400 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1206256226 is about 34731.1996049661. The cubic root of 1206256226 is about 1064.5021002798.

The spelling of 1206256226 in words is "one billion, two hundred six million, two hundred fifty-six thousand, two hundred twenty-six".

Divisors: 1 2 7 14 49 98 343 686 1758391 3516782 12308737 24617474 86161159 172322318 603128113 1206256226