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16384071 = 311496487
BaseRepresentation
bin111110100000…
…000001000111
31010211101201110
4332200001013
513143242241
61343100103
7256155654
oct76400107
933741643
1016384071
119280660
1255a1633
133518622
142266c2b
151689816
hexfa0047

16384071 has 8 divisors (see below), whose sum is σ = 23831424. Its totient is φ = 9929720.

The previous prime is 16384063. The next prime is 16384079. The reversal of 16384071 is 17048361.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16384063) and next prime (16384079).

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 16384071 - 23 = 16384063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16384079) 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, 248211 + ... + 248276.

It is an arithmetic number, because the mean of its divisors is an integer number (2978928).

Almost surely, 216384071 is an apocalyptic number.

16384071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16384071 is a deficient number, since it is larger than the sum of its proper divisors (7447353).

16384071 is a wasteful number, since it uses less digits than its factorization.

16384071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496501.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 16384071 is about 4047.7241753855. The cubic root of 16384071 is about 253.9845351942.

The spelling of 16384071 in words is "sixteen million, three hundred eighty-four thousand, seventy-one".

Divisors: 1 3 11 33 496487 1489461 5461357 16384071