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28789153 is a prime number
BaseRepresentation
bin110110111010…
…0100110100001
32000011122021221
41231310212201
524332223103
62505015041
7466463251
oct155644641
960148257
1028789153
1115283798
129784481
135c6cb03
143b75961
1527da1bd
hex1b749a1

28789153 has 2 divisors, whose sum is σ = 28789154. Its totient is φ = 28789152.

The previous prime is 28789139. The next prime is 28789183. The reversal of 28789153 is 35198782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24920064 + 3869089 = 4992^2 + 1967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28789153 is a prime.

It is not a weakly prime, because it can be changed into another prime (28789183) 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, 14394576 + 14394577.

It is an arithmetic number, because the mean of its divisors is an integer number (14394577).

Almost surely, 228789153 is an apocalyptic number.

It is an amenable number.

28789153 is a deficient number, since it is larger than the sum of its proper divisors (1).

28789153 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 11 representation: 28789153 = (15283798)11.

28789153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 43.

The square root of 28789153 is about 5365.5524412683. The cubic root of 28789153 is about 306.4852859103.

The spelling of 28789153 in words is "twenty-eight million, seven hundred eighty-nine thousand, one hundred fifty-three".