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28877159 is a prime number
BaseRepresentation
bin110111000101…
…0000101100111
32000100010000102
41232022011213
524343032114
62510534315
7500310653
oct156120547
960303012
1028877159
1115333923
12980739b
135ca0b9c
143b99a63
1528062de
hex1b8a167

28877159 has 2 divisors, whose sum is σ = 28877160. Its totient is φ = 28877158.

The previous prime is 28877153. The next prime is 28877179. The reversal of 28877159 is 95177882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28877159 - 216 = 28811623 is a prime.

It is a super-2 number, since 2×288771592 = 1667780623822562, 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 (28877153) 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, 14438579 + 14438580.

It is an arithmetic number, because the mean of its divisors is an integer number (14438580).

Almost surely, 228877159 is an apocalyptic number.

28877159 is a deficient number, since it is larger than the sum of its proper divisors (1).

28877159 is an equidigital number, since it uses as much as digits as its factorization.

28877159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 47.

The square root of 28877159 is about 5373.7472028371. The cubic root of 28877159 is about 306.7972680701.

The spelling of 28877159 in words is "twenty-eight million, eight hundred seventy-seven thousand, one hundred fifty-nine".