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16006305 = 357152441
BaseRepresentation
bin111101000011…
…110010100001
31010010012112010
4331003302201
513044200210
61331023133
7253023420
oct75036241
933105463
1016006305
119042857
12543aaa9
1334156b3
1421a92b7
151612920
hexf43ca1

16006305 has 16 divisors (see below), whose sum is σ = 29268864. Its totient is φ = 7317120.

The previous prime is 16006283. The next prime is 16006313. The reversal of 16006305 is 50360061.

16006305 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16006305 - 28 = 16006049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

16006305 is strictly pandigital in base 8.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76116 + ... + 76325.

It is an arithmetic number, because the mean of its divisors is an integer number (1829304).

Almost surely, 216006305 is an apocalyptic number.

16006305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16006305 is a deficient number, since it is larger than the sum of its proper divisors (13262559).

16006305 is a wasteful number, since it uses less digits than its factorization.

16006305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152456.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 16006305 is about 4000.7880473727. The cubic root of 16006305 is about 252.0173048081.

Adding to 16006305 its reverse (50360061), we get a palindrome (66366366).

The spelling of 16006305 in words is "sixteen million, six thousand, three hundred five".

Divisors: 1 3 5 7 15 21 35 105 152441 457323 762205 1067087 2286615 3201261 5335435 16006305