Search a number
-
+
2182138 = 27791973
BaseRepresentation
bin1000010100101111111010
311002212022221
420110233322
51024312023
6114434254
724355630
oct10245772
94085287
102182138
111260522
1289298a
135b530a
1440b350
152d185d
hex214bfa

2182138 has 16 divisors (see below), whose sum is σ = 3790080. Its totient is φ = 922896.

The previous prime is 2182133. The next prime is 2182139. The reversal of 2182138 is 8312812.

It is not an unprimeable number, because it can be changed into a prime (2182133) 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, 120 + ... + 2092.

It is an arithmetic number, because the mean of its divisors is an integer number (236880).

22182138 is an apocalyptic number.

2182138 is a deficient number, since it is larger than the sum of its proper divisors (1607942).

2182138 is a wasteful number, since it uses less digits than its factorization.

2182138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061.

The product of its digits is 768, while the sum is 25.

The square root of 2182138 is about 1477.2061467514. The cubic root of 2182138 is about 129.7062004194.

The spelling of 2182138 in words is "two million, one hundred eighty-two thousand, one hundred thirty-eight".

Divisors: 1 2 7 14 79 158 553 1106 1973 3946 13811 27622 155867 311734 1091069 2182138