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16393305 = 351092887
BaseRepresentation
bin111110100010…
…010001011001
31010211212101110
4332202101121
513144041210
61343210533
7256224615
oct76422131
933755343
1016393305
119287595
1255a6a49
13351c8a6
14226a345
15168c420
hexfa2459

16393305 has 8 divisors (see below), whose sum is σ = 26229312. Its totient is φ = 8743088.

The previous prime is 16393303. The next prime is 16393309. The reversal of 16393305 is 50339361.

16393305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16393305 - 21 = 16393303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16393301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546429 + ... + 546458.

It is an arithmetic number, because the mean of its divisors is an integer number (3278664).

Almost surely, 216393305 is an apocalyptic number.

16393305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16393305 is a deficient number, since it is larger than the sum of its proper divisors (9836007).

16393305 is a wasteful number, since it uses less digits than its factorization.

16393305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092895.

The product of its (nonzero) digits is 7290, while the sum is 30.

The square root of 16393305 is about 4048.8646556782. The cubic root of 16393305 is about 254.0322411385.

The spelling of 16393305 in words is "sixteen million, three hundred ninety-three thousand, three hundred five".

Divisors: 1 3 5 15 1092887 3278661 5464435 16393305