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8011216 = 241729453
BaseRepresentation
bin11110100011110111010000
3120002000022201
4132203313100
54022324331
6443412544
7125044213
oct36436720
916060281
108011216
114581a44
122824154
131876585
1410c777a
15a83a61
hex7a3dd0

8011216 has 20 divisors (see below), whose sum is σ = 16435332. Its totient is φ = 3769856.

The previous prime is 8011207. The next prime is 8011247. The reversal of 8011216 is 6121108.

It can be written as a sum of positive squares in 2 ways, for example, as 5107600 + 2903616 = 2260^2 + 1704^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8011193 and 8011202.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 14455 + ... + 14998.

Almost surely, 28011216 is an apocalyptic number.

It is an amenable number.

8011216 is an abundant number, since it is smaller than the sum of its proper divisors (8424116).

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

8011216 is a wasteful number, since it uses less digits than its factorization.

8011216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29478 (or 29472 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 8011216 is about 2830.4091577014. The cubic root of 8011216 is about 200.0934230206.

The spelling of 8011216 in words is "eight million, eleven thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 17 34 68 136 272 29453 58906 117812 235624 471248 500701 1001402 2002804 4005608 8011216