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8445384 = 233413033
BaseRepresentation
bin100000001101…
…110111001000
3120220001220000
4200031313020
54130223014
6501003000
7131533053
oct40156710
916801800
108445384
114849162
1229b3460
13199908c
14119ba9a
15b1c509
hex80ddc8

8445384 has 40 divisors (see below), whose sum is σ = 23656710. Its totient is φ = 2814912.

The previous prime is 8445377. The next prime is 8445419. The reversal of 8445384 is 4835448.

8445384 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6812100 + 1633284 = 2610^2 + 1278^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5869 + ... + 7164.

Almost surely, 28445384 is an apocalyptic number.

It is an amenable number.

8445384 is an abundant number, since it is smaller than the sum of its proper divisors (15211326).

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

8445384 is a wasteful number, since it uses less digits than its factorization.

8445384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13051 (or 13038 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 8445384 is about 2906.0942861511. The cubic root of 8445384 is about 203.6447103007.

The spelling of 8445384 in words is "eight million, four hundred forty-five thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 13033 26066 39099 52132 78198 104264 117297 156396 234594 312792 351891 469188 703782 938376 1055673 1407564 2111346 2815128 4222692 8445384