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8381064 = 233349211
BaseRepresentation
bin11111111110001010001000
3120202210122210
4133332022020
54121143224
6455345120
7131144406
oct37761210
916683583
108381064
1148048aa
1229821a0
131975a13
141182476
15b08429
hex7fe288

8381064 has 16 divisors (see below), whose sum is σ = 20952720. Its totient is φ = 2793680.

The previous prime is 8381059. The next prime is 8381083. The reversal of 8381064 is 4601838.

It is a happy 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, 174582 + ... + 174629.

It is an arithmetic number, because the mean of its divisors is an integer number (1309545).

Almost surely, 28381064 is an apocalyptic number.

It is an amenable number.

8381064 is an abundant number, since it is smaller than the sum of its proper divisors (12571656).

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

8381064 is a wasteful number, since it uses less digits than its factorization.

8381064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349220 (or 349216 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 8381064 is about 2895.0067357435. The cubic root of 8381064 is about 203.1264065859.

The spelling of 8381064 in words is "eight million, three hundred eighty-one thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 24 349211 698422 1047633 1396844 2095266 2793688 4190532 8381064