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2162074 = 21081037
BaseRepresentation
bin1000001111110110011010
311001211210211
420033312122
51023141244
6114201334
724243265
oct10176632
94054724
102162074
111247442
1288324a
135a9145
14403cdc
152ca934
hex20fd9a

2162074 has 4 divisors (see below), whose sum is σ = 3243114. Its totient is φ = 1081036.

The previous prime is 2162071. The next prime is 2162087. The reversal of 2162074 is 4702612.

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., 1306449 + 855625 = 1143^2 + 925^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2162071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540517 + ... + 540520.

22162074 is an apocalyptic number.

2162074 is a deficient number, since it is larger than the sum of its proper divisors (1081040).

2162074 is a wasteful number, since it uses less digits than its factorization.

2162074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081039.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2162074 is about 1470.3992655058. The cubic root of 2162074 is about 129.3074412925.

Adding to 2162074 its reverse (4702612), we get a palindrome (6864686).

The spelling of 2162074 in words is "two million, one hundred sixty-two thousand, seventy-four".

Divisors: 1 2 1081037 2162074