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800384 = 2713237
BaseRepresentation
bin11000011011010000000
31111122220212
43003122000
5201103014
625053252
76542324
oct3033200
91448825
10800384
114a7382
12327228
13220400
1416b984
1510c23e
hexc3680

800384 has 48 divisors (see below), whose sum is σ = 1773270. Its totient is φ = 359424.

The previous prime is 800357. The next prime is 800399. The reversal of 800384 is 483008.

It can be written as a sum of positive squares in 3 ways, for example, as 577600 + 222784 = 760^2 + 472^2 .

It is a super-2 number, since 2×8003842 = 1281229094912, which contains 22 as substring.

It is an unprimeable number.

800384 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21614 + ... + 21650.

2800384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 800384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (886635).

800384 is an abundant number, since it is smaller than the sum of its proper divisors (972886).

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

800384 is a wasteful number, since it uses less digits than its factorization.

800384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 800384 is about 894.6418277724. The cubic root of 800384 is about 92.8466273807.

The spelling of 800384 in words is "eight hundred thousand, three hundred eighty-four".

Divisors: 1 2 4 8 13 16 26 32 37 52 64 74 104 128 148 169 208 296 338 416 481 592 676 832 962 1184 1352 1664 1924 2368 2704 3848 4736 5408 6253 7696 10816 12506 15392 21632 25012 30784 50024 61568 100048 200096 400192 800384