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8444448 = 2532109269
BaseRepresentation
bin100000001101…
…101000100000
3120220000121100
4200031220200
54130210243
6500554400
7131530245
oct40155040
916800540
108444448
114848491
1229b2a00
13199881c
14119b5cc
15b1c0d3
hex80da20

8444448 has 72 divisors (see below), whose sum is σ = 24324300. Its totient is φ = 2778624.

The previous prime is 8444419. The next prime is 8444467.

It is a happy number.

8444448 is nontrivially palindromic in base 10.

8444448 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 2 ways, for example, as 8225424 + 219024 = 2868^2 + 468^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable 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 11 ways as a sum of consecutive naturals, for example, 31258 + ... + 31526.

Almost surely, 28444448 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 8444448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12162150).

8444448 is an abundant number, since it is smaller than the sum of its proper divisors (15879852).

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

8444448 is a wasteful number, since it uses less digits than its factorization.

8444448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 383 counting only the distinct ones).

The product of its digits is 65536, while the sum is 36.

The square root of 8444448 is about 2905.9332408023. The cubic root of 8444448 is about 203.6371867236.

The spelling of 8444448 in words is "eight million, four hundred forty-four thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 109 144 218 269 288 327 436 538 654 807 872 981 1076 1308 1614 1744 1962 2152 2421 2616 3228 3488 3924 4304 4842 5232 6456 7848 8608 9684 10464 12912 15696 19368 25824 29321 31392 38736 58642 77472 87963 117284 175926 234568 263889 351852 469136 527778 703704 938272 1055556 1407408 2111112 2814816 4222224 8444448