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8011117 = 27728921
BaseRepresentation
bin11110100011110101101101
3120002000012001
4132203311231
54022323432
6443412301
7125044012
oct36436555
916060161
108011117
114581964
122824091
13187650a
1410c7709
15a839e7
hex7a3d6d

8011117 has 4 divisors (see below), whose sum is σ = 8040316. Its totient is φ = 7981920.

The previous prime is 8011067. The next prime is 8011127. The reversal of 8011117 is 7111108.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3575881 + 4435236 = 1891^2 + 2106^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8011117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8011094 and 8011103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8011127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14184 + ... + 14737.

It is an arithmetic number, because the mean of its divisors is an integer number (2010079).

Almost surely, 28011117 is an apocalyptic number.

It is an amenable number.

8011117 is a deficient number, since it is larger than the sum of its proper divisors (29199).

8011117 is a wasteful number, since it uses less digits than its factorization.

8011117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29198.

The product of its (nonzero) digits is 56, while the sum is 19.

The square root of 8011117 is about 2830.3916690098. The cubic root of 8011117 is about 200.0925987874.

Subtracting from 8011117 its reverse (7111108), we obtain a palindrome (900009).

It can be divided in two parts, 8011 and 117, that added together give a triangular number (8128 = T127).

The spelling of 8011117 in words is "eight million, eleven thousand, one hundred seventeen".

Divisors: 1 277 28921 8011117