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28862329 is a prime number
BaseRepresentation
bin110111000011…
…0011101111001
32000022100200011
41232012131321
524342043304
62510341521
7500216506
oct156063571
960270604
1028862329
1115323771
1297ba8a1
135c97202
143b944ad
152801c04
hex1b86779

28862329 has 2 divisors, whose sum is σ = 28862330. Its totient is φ = 28862328.

The previous prime is 28862303. The next prime is 28862359. The reversal of 28862329 is 92326882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23503104 + 5359225 = 4848^2 + 2315^2 .

It is a cyclic number.

It is not a de Polignac number, because 28862329 - 223 = 20473721 is a prime.

It is equal to p1791679 and since 28862329 and 1791679 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 28862291 and 28862300.

It is not a weakly prime, because it can be changed into another prime (28862359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14431164 + 14431165.

It is an arithmetic number, because the mean of its divisors is an integer number (14431165).

Almost surely, 228862329 is an apocalyptic number.

It is an amenable number.

28862329 is a deficient number, since it is larger than the sum of its proper divisors (1).

28862329 is an equidigital number, since it uses as much as digits as its factorization.

28862329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 40.

The square root of 28862329 is about 5372.3671691350. The cubic root of 28862329 is about 306.7447400200.

The spelling of 28862329 in words is "twenty-eight million, eight hundred sixty-two thousand, three hundred twenty-nine".