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16394416 = 2419199271
BaseRepresentation
bin111110100010…
…100010110000
31010211220220121
4332202202300
513144110131
61343220024
7256231063
oct76424260
933756817
1016394416
119288405
1255a7614
13352024c
14226a8da
15168c911
hexfa28b0

16394416 has 40 divisors (see below), whose sum is σ = 33728000. Its totient is φ = 7698240.

The previous prime is 16394393. The next prime is 16394419. The reversal of 16394416 is 61449361.

It is not an unprimeable number, because it can be changed into a prime (16394419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60361 + ... + 60631.

It is an arithmetic number, because the mean of its divisors is an integer number (843200).

Almost surely, 216394416 is an apocalyptic number.

16394416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16394416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16864000).

16394416 is an abundant number, since it is smaller than the sum of its proper divisors (17333584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16394416 is a wasteful number, since it uses less digits than its factorization.

16394416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 491 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 16394416 is about 4049.0018523088. The cubic root of 16394416 is about 254.0379797300.

The spelling of 16394416 in words is "sixteen million, three hundred ninety-four thousand, four hundred sixteen".

Divisors: 1 2 4 8 16 19 38 76 152 199 271 304 398 542 796 1084 1592 2168 3184 3781 4336 5149 7562 10298 15124 20596 30248 41192 53929 60496 82384 107858 215716 431432 862864 1024651 2049302 4098604 8197208 16394416