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1000040166 = 23255557787
BaseRepresentation
bin111011100110110…
…110011011100110
32120200202022012200
4323212312123212
54022002241131
6243122155330
733532125666
oct7346663346
92520668180
101000040166
11473550a84
1223aab2b46
1312c252558
1496b5c1a6
155cbdd2e6
hex3b9b66e6

1000040166 has 12 divisors (see below), whose sum is σ = 2166753732. Its totient is φ = 333346716.

The previous prime is 1000040141. The next prime is 1000040179. The reversal of 1000040166 is 6610400001.

It is a super-3 number, since 3×10000401663 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 55557787 = 1000040166 / (1 + 0 + 0 + 0 + 0 + 4 + 0 + 1 + 6 + 6).

It is a Curzon number.

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 5 ways as a sum of consecutive naturals, for example, 27778876 + ... + 27778911.

It is an arithmetic number, because the mean of its divisors is an integer number (180562811).

Almost surely, 21000040166 is an apocalyptic number.

1000040166 is an abundant number, since it is smaller than the sum of its proper divisors (1166713566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000040166 is a wasteful number, since it uses less digits than its factorization.

1000040166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55557795 (or 55557792 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1000040166 is about 31623.4116755293. The cubic root of 1000040166 is about 1000.0133884874.

Adding to 1000040166 its reverse (6610400001), we get a palindrome (7610440167).

The spelling of 1000040166 in words is "one billion, forty thousand, one hundred sixty-six".

Divisors: 1 2 3 6 9 18 55557787 111115574 166673361 333346722 500020083 1000040166