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28659119 is a prime number
BaseRepresentation
bin110110101010…
…0110110101111
31222221000220212
41231110312233
524314042434
62502133035
7465412166
oct155246657
958830825
1028659119
11151a5025
12972117b
135c25878
143b403dd
1527b18ce
hex1b54daf

28659119 has 2 divisors, whose sum is σ = 28659120. Its totient is φ = 28659118.

The previous prime is 28659109. The next prime is 28659131. The reversal of 28659119 is 91195682.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28659119 is a prime.

It is a super-2 number, since 2×286591192 = 1642690203712322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28659109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14329559 + 14329560.

It is an arithmetic number, because the mean of its divisors is an integer number (14329560).

Almost surely, 228659119 is an apocalyptic number.

28659119 is a deficient number, since it is larger than the sum of its proper divisors (1).

28659119 is an equidigital number, since it uses as much as digits as its factorization.

28659119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 41.

The square root of 28659119 is about 5353.4212425327. The cubic root of 28659119 is about 306.0231481769.

The spelling of 28659119 in words is "twenty-eight million, six hundred fifty-nine thousand, one hundred nineteen".