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2006929 is a prime number
BaseRepresentation
bin111101001111110010001
310202221222201
413221332101
51003210204
6111003201
723026051
oct7517621
93687881
102006929
111150921
12809501
13553642
143a3561
152999a4
hex1e9f91

2006929 has 2 divisors, whose sum is σ = 2006930. Its totient is φ = 2006928.

The previous prime is 2006923. The next prime is 2006959. The reversal of 2006929 is 9296002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1046529 + 960400 = 1023^2 + 980^2 .

It is a cyclic number.

It is not a de Polignac number, because 2006929 - 25 = 2006897 is a prime.

It is a super-2 number, since 2×20069292 = 8055528022082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2006897 and 2006906.

It is not a weakly prime, because it can be changed into another prime (2006923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003464 + 1003465.

It is an arithmetic number, because the mean of its divisors is an integer number (1003465).

22006929 is an apocalyptic number.

It is an amenable number.

2006929 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006929 is an equidigital number, since it uses as much as digits as its factorization.

2006929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2006929 is about 1416.6612156758. The cubic root of 2006929 is about 126.1374371666.

The spelling of 2006929 in words is "two million, six thousand, nine hundred twenty-nine".