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999029 is a prime number
BaseRepresentation
bin11110011111001110101
31212202102002
43303321311
5223432104
633225045
711330423
oct3637165
91782362
10999029
11622649
12402185
1328c955
141c0113
1514b01e
hexf3e75

999029 has 2 divisors, whose sum is σ = 999030. Its totient is φ = 999028.

The previous prime is 999023. The next prime is 999043. The reversal of 999029 is 920999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 996004 + 3025 = 998^2 + 55^2 .

It is an emirp because it is prime and its reverse (920999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 999029 - 212 = 994933 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 998983 and 999001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499514 + 499515.

It is an arithmetic number, because the mean of its divisors is an integer number (499515).

2999029 is an apocalyptic number.

It is an amenable number.

999029 is a deficient number, since it is larger than the sum of its proper divisors (1).

999029 is an equidigital number, since it uses as much as digits as its factorization.

999029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 38.

The square root of 999029 is about 999.5143820876. The cubic root of 999029 is about 99.9676228517.

Subtracting from 999029 its sum of digits (38), we obtain a triangular number (998991 = T1413).

The spelling of 999029 in words is "nine hundred ninety-nine thousand, twenty-nine".