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4493888 = 26721433
BaseRepresentation
bin10001001001001001000000
322110022110022
4101021021000
52122301023
6240153012
753124500
oct21111100
98408408
104493888
11259a363
121608768
13c14609
1484da00
155db7c8
hex449240

4493888 has 42 divisors (see below), whose sum is σ = 10380726. Its totient is φ = 1924608.

The previous prime is 4493873. The next prime is 4493921. The reversal of 4493888 is 8883944.

It can be written as a sum of positive squares in only one way, i.e., 4293184 + 200704 = 2072^2 + 448^2 .

It is a nialpdrome in base 8.

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2420 + ... + 3852.

Almost surely, 24493888 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 4493888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5190363).

4493888 is an abundant number, since it is smaller than the sum of its proper divisors (5886838).

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

4493888 is a wasteful number, since it uses less digits than its factorization.

4493888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459 (or 1442 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 4493888 is about 2119.8792418437. The cubic root of 4493888 is about 165.0215827293.

The spelling of 4493888 in words is "four million, four hundred ninety-three thousand, eight hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 196 224 392 448 784 1433 1568 2866 3136 5732 10031 11464 20062 22928 40124 45856 70217 80248 91712 140434 160496 280868 320992 561736 641984 1123472 2246944 4493888