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8011404 = 22321391601
BaseRepresentation
bin11110100011111010001100
3120002000120200
4132203322030
54022331104
6443413500
7125044602
oct36437214
916060520
108011404
1145820a5
122824290
13187669b
1410c7872
15a83b39
hex7a3e8c

8011404 has 36 divisors (see below), whose sum is σ = 20409480. Its totient is φ = 2649600.

The previous prime is 8011397. The next prime is 8011439. The reversal of 8011404 is 4041108.

8011404 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 4204 + ... + 5804.

It is an arithmetic number, because the mean of its divisors is an integer number (566930).

Almost surely, 28011404 is an apocalyptic number.

It is an amenable number.

8011404 is an abundant number, since it is smaller than the sum of its proper divisors (12398076).

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

8011404 is a wasteful number, since it uses less digits than its factorization.

8011404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750 (or 1745 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 8011404 is about 2830.4423682527. The cubic root of 8011404 is about 200.0949882124.

The spelling of 8011404 in words is "eight million, eleven thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 139 278 417 556 834 1251 1601 1668 2502 3202 4803 5004 6404 9606 14409 19212 28818 57636 222539 445078 667617 890156 1335234 2002851 2670468 4005702 8011404