Search a number
-
+
2139332 = 221341141
BaseRepresentation
bin1000001010010011000100
311000200121112
420022103010
51021424312
6113504152
724120056
oct10122304
94020545
102139332
111231348
12872058
1359b9a0
143d98d6
152c3d22
hex20a4c4

2139332 has 12 divisors (see below), whose sum is σ = 4031916. Its totient is φ = 987360.

The previous prime is 2139323. The next prime is 2139337. The reversal of 2139332 is 2339312.

It can be written as a sum of positive squares in 2 ways, for example, as 732736 + 1406596 = 856^2 + 1186^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2139298 and 2139307.

It is not an unprimeable number, because it can be changed into a prime (2139337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20519 + ... + 20622.

It is an arithmetic number, because the mean of its divisors is an integer number (335993).

22139332 is an apocalyptic number.

It is an amenable number.

2139332 is a deficient number, since it is larger than the sum of its proper divisors (1892584).

2139332 is a wasteful number, since it uses less digits than its factorization.

2139332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41158 (or 41156 counting only the distinct ones).

The product of its digits is 972, while the sum is 23.

The square root of 2139332 is about 1462.6455483131. The cubic root of 2139332 is about 128.8524643847.

The spelling of 2139332 in words is "two million, one hundred thirty-nine thousand, three hundred thirty-two".

Divisors: 1 2 4 13 26 52 41141 82282 164564 534833 1069666 2139332