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16048993 = 39234091
BaseRepresentation
bin111101001110…
…001101100001
31010012101002011
4331032031201
513102031433
61331552521
7253262032
oct75161541
933171064
1016048993
119071934
12545b741
13342bc5c
1421baa89
1516203cd
hexf4e361

16048993 has 4 divisors (see below), whose sum is σ = 16057008. Its totient is φ = 16040980.

The previous prime is 16048987. The next prime is 16049017. The reversal of 16048993 is 39984061.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 16048993 - 29 = 16048481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16048943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1878 + ... + 5968.

It is an arithmetic number, because the mean of its divisors is an integer number (4014252).

Almost surely, 216048993 is an apocalyptic number.

It is an amenable number.

16048993 is a deficient number, since it is larger than the sum of its proper divisors (8015).

16048993 is an equidigital number, since it uses as much as digits as its factorization.

16048993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8014.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 16048993 is about 4006.1194440506. The cubic root of 16048993 is about 252.2411450401.

The spelling of 16048993 in words is "sixteen million, forty-eight thousand, nine hundred ninety-three".

Divisors: 1 3923 4091 16048993