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2162401 is a prime number
BaseRepresentation
bin1000001111111011100001
311001212020221
420033323201
51023144101
6114203041
724244243
oct10177341
94055227
102162401
11124770a
12883481
135a9337
14404093
152caaa1
hex20fee1

2162401 has 2 divisors, whose sum is σ = 2162402. Its totient is φ = 2162400.

The previous prime is 2162393. The next prime is 2162441. The reversal of 2162401 is 1042612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1498176 + 664225 = 1224^2 + 815^2 .

It is a cyclic number.

It is not a de Polignac number, because 2162401 - 23 = 2162393 is a prime.

2162401 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2162441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081200 + 1081201.

It is an arithmetic number, because the mean of its divisors is an integer number (1081201).

22162401 is an apocalyptic number.

It is an amenable number.

2162401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162401 is an equidigital number, since it uses as much as digits as its factorization.

2162401 is an evil number, because the sum of its binary digits is even.

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

The square root of 2162401 is about 1470.5104555902. The cubic root of 2162401 is about 129.3139599410.

The spelling of 2162401 in words is "two million, one hundred sixty-two thousand, four hundred one".