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16394814 = 232231992
BaseRepresentation
bin111110100010…
…101000111110
31010211221110100
4332202220332
513144113224
61343221530
7256232202
oct76425076
933757410
1016394814
119288737
1255a78a6
133520497
14226ab02
15168cac9
hexfa2a3e

16394814 has 36 divisors (see below), whose sum is σ = 37253736. Its totient is φ = 5201064.

The previous prime is 16394813. The next prime is 16394827. The reversal of 16394814 is 41849361.

16394814 is a `hidden beast` number, since 1 + 639 + 4 + 8 + 14 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16394813) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 82287 + ... + 82485.

It is an arithmetic number, because the mean of its divisors is an integer number (1034826).

Almost surely, 216394814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16394814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18626868).

16394814 is an abundant number, since it is smaller than the sum of its proper divisors (20858922).

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

16394814 is a wasteful number, since it uses less digits than its factorization.

16394814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 227 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 16394814 is about 4049.0509999258. The cubic root of 16394814 is about 254.0400354360.

The spelling of 16394814 in words is "sixteen million, three hundred ninety-four thousand, eight hundred fourteen".

Divisors: 1 2 3 6 9 18 23 46 69 138 199 207 398 414 597 1194 1791 3582 4577 9154 13731 27462 39601 41193 79202 82386 118803 237606 356409 712818 910823 1821646 2732469 5464938 8197407 16394814