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3884144 = 241129761
BaseRepresentation
bin1110110100010001110000
321022100001012
432310101300
51443243034
6215130052
745005015
oct16642160
97270035
103884144
112213240
121373928
13a5cc14
1473170c
1551acce
hex3b4470

3884144 has 40 divisors (see below), whose sum is σ = 8503920. Its totient is φ = 1702400.

The previous prime is 3884141. The next prime is 3884159. The reversal of 3884144 is 4414883.

It is a super-2 number, since 2×38841442 = 30173149225472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3884144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3884141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4724 + ... + 5484.

It is an arithmetic number, because the mean of its divisors is an integer number (212598).

Almost surely, 23884144 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 3884144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4251960).

3884144 is an abundant number, since it is smaller than the sum of its proper divisors (4619776).

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

3884144 is a wasteful number, since it uses less digits than its factorization.

3884144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809 (or 803 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 3884144 is about 1970.8231782684. The cubic root of 3884144 is about 157.1924830277.

The spelling of 3884144 in words is "three million, eight hundred eighty-four thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 16 22 29 44 58 88 116 176 232 319 464 638 761 1276 1522 2552 3044 5104 6088 8371 12176 16742 22069 33484 44138 66968 88276 133936 176552 242759 353104 485518 971036 1942072 3884144