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28498087 is a prime number
BaseRepresentation
bin110110010110…
…1100010100111
31222121212000201
41230231202213
524243414322
62454451331
7464141542
oct154554247
958555021
1028498087
11150a5042
129663b47
135b9a497
143adb859
15277dd27
hex1b2d8a7

28498087 has 2 divisors, whose sum is σ = 28498088. Its totient is φ = 28498086.

The previous prime is 28498073. The next prime is 28498091. The reversal of 28498087 is 78089482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28498087 - 215 = 28465319 is a prime.

It is a super-3 number, since 3×284980873 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28498007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14249043 + 14249044.

It is an arithmetic number, because the mean of its divisors is an integer number (14249044).

Almost surely, 228498087 is an apocalyptic number.

28498087 is a deficient number, since it is larger than the sum of its proper divisors (1).

28498087 is an equidigital number, since it uses as much as digits as its factorization.

28498087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 28498087 is about 5338.3599541432. The cubic root of 28498087 is about 305.4489027127.

The spelling of 28498087 in words is "twenty-eight million, four hundred ninety-eight thousand, eighty-seven".