Search a number
-
+
16889814 = 232938323
BaseRepresentation
bin100000001101…
…1011111010110
31011210002110200
41000123133112
513310433224
61402001330
7263363304
oct100333726
934702420
1016889814
119596627
1257a6246
133664896
142359274
1517395c9
hex101b7d6

16889814 has 12 divisors (see below), whose sum is σ = 36594636. Its totient is φ = 5629932.

The previous prime is 16889809. The next prime is 16889819. The reversal of 16889814 is 41898861.

It is an interprime number because it is at equal distance from previous prime (16889809) and next prime (16889819).

It is a self number, because there is not a number n which added to its sum of digits gives 16889814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16889819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 469144 + ... + 469179.

It is an arithmetic number, because the mean of its divisors is an integer number (3049553).

Almost surely, 216889814 is an apocalyptic number.

16889814 is an abundant number, since it is smaller than the sum of its proper divisors (19704822).

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

16889814 is a wasteful number, since it uses less digits than its factorization.

16889814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938331 (or 938328 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The square root of 16889814 is about 4109.7218884007. The cubic root of 16889814 is about 256.5714265932.

The spelling of 16889814 in words is "sixteen million, eight hundred eighty-nine thousand, eight hundred fourteen".

Divisors: 1 2 3 6 9 18 938323 1876646 2814969 5629938 8444907 16889814