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2226906687 = 31761715817
BaseRepresentation
bin1000010010111011…
…1110011000111111
312202012022120200110
42010232332120333
514030042003222
61004550201103
7106120252215
oct20456763077
95665276613
102226906687
11a43037a55
12521953193
13296492685
14171a82cb5
15d078430c
hex84bbe63f

2226906687 has 16 divisors (see below), whose sum is σ = 3195411552. Its totient is φ = 1374366720.

The previous prime is 2226906673. The next prime is 2226906691. The reversal of 2226906687 is 7866096222.

It is not a de Polignac number, because 2226906687 - 218 = 2226644543 is a prime.

It is a super-2 number, since 2×22269066872 = 9918226785210631938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2226906637) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 354798 + ... + 361019.

It is an arithmetic number, because the mean of its divisors is an integer number (199713222).

Almost surely, 22226906687 is an apocalyptic number.

2226906687 is a deficient number, since it is larger than the sum of its proper divisors (968504865).

2226906687 is a wasteful number, since it uses less digits than its factorization.

2226906687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715898.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 2226906687 is about 47190.1121740561. The cubic root of 2226906687 is about 1305.8721898068.

The spelling of 2226906687 in words is "two billion, two hundred twenty-six million, nine hundred six thousand, six hundred eighty-seven".

Divisors: 1 3 17 51 61 183 1037 3111 715817 2147451 12168889 36506667 43664837 130994511 742302229 2226906687