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28836793 is a prime number
BaseRepresentation
bin110111000000…
…0001110111001
32000021001122101
41232000032321
524340234133
62510023401
7500052166
oct156001671
960231571
1028836793
1115306567
1297a7b61
135c886bb
143b8906d
1527e937d
hex1b803b9

28836793 has 2 divisors, whose sum is σ = 28836794. Its totient is φ = 28836792.

The previous prime is 28836791. The next prime is 28836833. The reversal of 28836793 is 39763882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27164944 + 1671849 = 5212^2 + 1293^2 .

It is a cyclic number.

It is not a de Polignac number, because 28836793 - 21 = 28836791 is a prime.

Together with 28836791, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28836791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14418396 + 14418397.

It is an arithmetic number, because the mean of its divisors is an integer number (14418397).

Almost surely, 228836793 is an apocalyptic number.

It is an amenable number.

28836793 is a deficient number, since it is larger than the sum of its proper divisors (1).

28836793 is an equidigital number, since it uses as much as digits as its factorization.

28836793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 46.

The square root of 28836793 is about 5369.9900372347. The cubic root of 28836793 is about 306.6542489983.

The spelling of 28836793 in words is "twenty-eight million, eight hundred thirty-six thousand, seven hundred ninety-three".