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2120473 is a prime number
BaseRepresentation
bin1000000101101100011001
310222201202001
420011230121
51020323343
6113241001
724011065
oct10055431
93881661
102120473
111219163
12863161
13593224
143d2aa5
152bd44d
hex205b19

2120473 has 2 divisors, whose sum is σ = 2120474. Its totient is φ = 2120472.

The previous prime is 2120453. The next prime is 2120513. The reversal of 2120473 is 3740212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1996569 + 123904 = 1413^2 + 352^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120473 - 217 = 1989401 is a prime.

It is a d-powerful number, because it can be written as 25 + 1 + 221 + 0 + 47 + 73 + 38 .

It is a self number, because there is not a number n which added to its sum of digits gives 2120473.

It is not a weakly prime, because it can be changed into another prime (2120423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060236 + 1060237.

It is an arithmetic number, because the mean of its divisors is an integer number (1060237).

22120473 is an apocalyptic number.

It is an amenable number.

2120473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120473 is an equidigital number, since it uses as much as digits as its factorization.

2120473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2120473 is about 1456.1843976640. The cubic root of 2120473 is about 128.4727190038.

Adding to 2120473 its reverse (3740212), we get a palindrome (5860685).

The spelling of 2120473 in words is "two million, one hundred twenty thousand, four hundred seventy-three".