Search a number
-
+
3828748 = 2271131401
BaseRepresentation
bin1110100110110000001100
321012112001111
432212300030
51440004443
6214021404
744354350
oct16466014
97175044
103828748
112185660
121347864
13a40941
14719460
1550969d
hex3a6c0c

3828748 has 48 divisors (see below), whose sum is σ = 8644608. Its totient is φ = 1440000.

The previous prime is 3828743. The next prime is 3828749. The reversal of 3828748 is 8478283.

It is a super-2 number, since 2×38287482 = 29318622495008, 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 3828748.

It is not an unprimeable number, because it can be changed into a prime (3828743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9348 + ... + 9748.

It is an arithmetic number, because the mean of its divisors is an integer number (180096).

Almost surely, 23828748 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 3828748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4322304).

3828748 is an abundant number, since it is smaller than the sum of its proper divisors (4815860).

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

3828748 is a wasteful number, since it uses less digits than its factorization.

3828748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 452 counting only the distinct ones).

The product of its digits is 86016, while the sum is 40.

The square root of 3828748 is about 1956.7186818753. The cubic root of 3828748 is about 156.4416043058.

The spelling of 3828748 in words is "three million, eight hundred twenty-eight thousand, seven hundred forty-eight".

Divisors: 1 2 4 7 11 14 22 28 31 44 62 77 124 154 217 308 341 401 434 682 802 868 1364 1604 2387 2807 4411 4774 5614 8822 9548 11228 12431 17644 24862 30877 49724 61754 87017 123508 136741 174034 273482 348068 546964 957187 1914374 3828748