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28600079 is a prime number
BaseRepresentation
bin110110100011…
…0011100001111
31222211000221012
41231012130033
524310200304
62500555435
7465045104
oct155063417
958730835
1028600079
1115164732
1296b2b7b
135c04a31
143b26aab
15279e16e
hex1b4670f

28600079 has 2 divisors, whose sum is σ = 28600080. Its totient is φ = 28600078.

The previous prime is 28600067. The next prime is 28600093. The reversal of 28600079 is 97000682.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28600079 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28600009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14300039 + 14300040.

It is an arithmetic number, because the mean of its divisors is an integer number (14300040).

Almost surely, 228600079 is an apocalyptic number.

28600079 is a deficient number, since it is larger than the sum of its proper divisors (1).

28600079 is an equidigital number, since it uses as much as digits as its factorization.

28600079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 28600079 is about 5347.9041689245. The cubic root of 28600079 is about 305.8128599289.

The spelling of 28600079 in words is "twenty-eight million, six hundred thousand, seventy-nine".