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28830853 is a prime number
BaseRepresentation
bin110110111111…
…0110010000101
32000020202111101
41231332302011
524340041403
62505540101
7500025652
oct155766205
960222441
1028830853
1115302057
1297a4631
135c85a9c
143b86c29
1527e771d
hex1b7ec85

28830853 has 2 divisors, whose sum is σ = 28830854. Its totient is φ = 28830852.

The previous prime is 28830821. The next prime is 28830869. The reversal of 28830853 is 35803882.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17960644 + 10870209 = 4238^2 + 3297^2 .

It is a cyclic number.

It is not a de Polignac number, because 28830853 - 25 = 28830821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28830653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14415426 + 14415427.

It is an arithmetic number, because the mean of its divisors is an integer number (14415427).

Almost surely, 228830853 is an apocalyptic number.

It is an amenable number.

28830853 is a deficient number, since it is larger than the sum of its proper divisors (1).

28830853 is an equidigital number, since it uses as much as digits as its factorization.

28830853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 28830853 is about 5369.4369350985. The cubic root of 28830853 is about 306.6331919721.

The spelling of 28830853 in words is "twenty-eight million, eight hundred thirty thousand, eight hundred fifty-three".