Search a number
-
+
2838668 = 22732069
BaseRepresentation
bin1010110101000010001100
312100012220212
422311002030
51211314133
6140501552
733062000
oct12650214
95305825
102838668
111669808
12b4a8b8
137850b1
1453c700
153b1148
hex2b508c

2838668 has 24 divisors (see below), whose sum is σ = 5796000. Its totient is φ = 1215984.

The previous prime is 2838631. The next prime is 2838697. The reversal of 2838668 is 8668382.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338 + ... + 2406.

It is an arithmetic number, because the mean of its divisors is an integer number (241500).

22838668 is an apocalyptic number.

2838668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2838668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2898000).

2838668 is an abundant number, since it is smaller than the sum of its proper divisors (2957332).

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

2838668 is a wasteful number, since it uses less digits than its factorization.

2838668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094 (or 2078 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 2838668 is about 1684.8347099938. The cubic root of 2838668 is about 141.5918319099.

The spelling of 2838668 in words is "two million, eight hundred thirty-eight thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 49 98 196 343 686 1372 2069 4138 8276 14483 28966 57932 101381 202762 405524 709667 1419334 2838668