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2140162 = 21070081
BaseRepresentation
bin1000001010100000000010
311000201202021
420022200002
51021441122
6113512054
724122353
oct10124002
94021667
102140162
111231a32
1287262a
1359c18b
143d9d2a
152c41c7
hex20a802

2140162 has 4 divisors (see below), whose sum is σ = 3210246. Its totient is φ = 1070080.

The previous prime is 2140157. The next prime is 2140163. The reversal of 2140162 is 2610412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1692601 + 447561 = 1301^2 + 669^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535039 + ... + 535042.

22140162 is an apocalyptic number.

2140162 is a deficient number, since it is larger than the sum of its proper divisors (1070084).

2140162 is a wasteful number, since it uses less digits than its factorization.

2140162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070083.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2140162 is about 1462.9292532450. The cubic root of 2140162 is about 128.8691259279.

Adding to 2140162 its reverse (2610412), we get a palindrome (4750574).

The spelling of 2140162 in words is "two million, one hundred forty thousand, one hundred sixty-two".

Divisors: 1 2 1070081 2140162