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28482877 is a prime number
BaseRepresentation
bin110110010100…
…1110100111101
31222121002011101
41230221310331
524242423002
62454253101
7464046313
oct154516475
958532141
1028482877
1115094675
129657191
135b93597
143ad60b3
152779587
hex1b29d3d

28482877 has 2 divisors, whose sum is σ = 28482878. Its totient is φ = 28482876.

The previous prime is 28482869. The next prime is 28482887. The reversal of 28482877 is 77828482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27520516 + 962361 = 5246^2 + 981^2 .

It is a cyclic number.

It is not a de Polignac number, because 28482877 - 23 = 28482869 is a prime.

It is a super-2 number, since 2×284828772 = 1622548564394258, 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 (28482827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14241438 + 14241439.

It is an arithmetic number, because the mean of its divisors is an integer number (14241439).

Almost surely, 228482877 is an apocalyptic number.

It is an amenable number.

28482877 is a deficient number, since it is larger than the sum of its proper divisors (1).

28482877 is an equidigital number, since it uses as much as digits as its factorization.

28482877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 401408, while the sum is 46.

The square root of 28482877 is about 5336.9351691772. The cubic root of 28482877 is about 305.3945516424.

The spelling of 28482877 in words is "twenty-eight million, four hundred eighty-two thousand, eight hundred seventy-seven".