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16788097 = 56329819
BaseRepresentation
bin100000000001…
…0101010000001
31011120220221101
41000002222001
513244204342
61355454401
7262460614
oct100025201
934526841
1016788097
119527167
125757401
13362a4b1
14233017b
1517193b7
hex1002a81

16788097 has 4 divisors (see below), whose sum is σ = 16818480. Its totient is φ = 16757716.

The previous prime is 16788089. The next prime is 16788113. The reversal of 16788097 is 79088761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79088761 = 131603731.

It is a cyclic number.

It is not a de Polignac number, because 16788097 - 23 = 16788089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16788067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14347 + ... + 15472.

It is an arithmetic number, because the mean of its divisors is an integer number (4204620).

Almost surely, 216788097 is an apocalyptic number.

It is an amenable number.

16788097 is a deficient number, since it is larger than the sum of its proper divisors (30383).

16788097 is an equidigital number, since it uses as much as digits as its factorization.

16788097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30382.

The product of its (nonzero) digits is 169344, while the sum is 46.

The square root of 16788097 is about 4097.3280317788. The cubic root of 16788097 is about 256.0553316677.

The spelling of 16788097 in words is "sixteen million, seven hundred eighty-eight thousand, ninety-seven".

Divisors: 1 563 29819 16788097