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2687029 is a prime number
BaseRepresentation
bin1010010000000000110101
312001111220121
422100000311
51141441104
6133331541
731560622
oct12200065
95044817
102687029
111575894
12a96bb1
13731077
144dd349
15381254
hex290035

2687029 has 2 divisors, whose sum is σ = 2687030. Its totient is φ = 2687028.

The previous prime is 2687023. The next prime is 2687033. The reversal of 2687029 is 9207862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2634129 + 52900 = 1623^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 2687029 - 217 = 2555957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2686985 and 2687003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2687023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1343514 + 1343515.

It is an arithmetic number, because the mean of its divisors is an integer number (1343515).

22687029 is an apocalyptic number.

It is an amenable number.

2687029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2687029 is an equidigital number, since it uses as much as digits as its factorization.

2687029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2687029 is about 1639.2159711277. The cubic root of 2687029 is about 139.0243216071.

The spelling of 2687029 in words is "two million, six hundred eighty-seven thousand, twenty-nine".