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2172383 is a prime number
BaseRepresentation
bin1000010010010111011111
311002100221122
420102113133
51024004013
6114321155
724315323
oct10222737
94070848
102172383
111254164
128891bb
135b0a45
14407983
152cda08
hex2125df

2172383 has 2 divisors, whose sum is σ = 2172384. Its totient is φ = 2172382.

The previous prime is 2172371. The next prime is 2172389. The reversal of 2172383 is 3832712.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2172383 - 24 = 2172367 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2172389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086191 + 1086192.

It is an arithmetic number, because the mean of its divisors is an integer number (1086192).

22172383 is an apocalyptic number.

2172383 is a deficient number, since it is larger than the sum of its proper divisors (1).

2172383 is an equidigital number, since it uses as much as digits as its factorization.

2172383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 26.

The square root of 2172383 is about 1473.9006072324. The cubic root of 2172383 is about 129.5126327474.

The spelling of 2172383 in words is "two million, one hundred seventy-two thousand, three hundred eighty-three".