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14388216 = 2333183233
BaseRepresentation
bin110110111000…
…101111111000
31000001222220220
4312320233320
512140410331
61232220040
7233204103
oct66705770
930058826
1014388216
118138097
12499a620
132c9a04b
141ca773a
1513e3296
hexdb8bf8

14388216 has 64 divisors (see below), whose sum is σ = 37739520. Its totient is φ = 4565760.

The previous prime is 14388193. The next prime is 14388217. The reversal of 14388216 is 61288341.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14388217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61636 + ... + 61868.

It is an arithmetic number, because the mean of its divisors is an integer number (589680).

Almost surely, 214388216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14388216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18869760).

14388216 is an abundant number, since it is smaller than the sum of its proper divisors (23351304).

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

14388216 is a wasteful number, since it uses less digits than its factorization.

14388216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 352 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 14388216 is about 3793.1801960888. The cubic root of 14388216 is about 243.2216981304.

The spelling of 14388216 in words is "fourteen million, three hundred eighty-eight thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 31 62 83 93 124 166 186 233 248 249 332 372 466 498 664 699 744 932 996 1398 1864 1992 2573 2796 5146 5592 7223 7719 10292 14446 15438 19339 20584 21669 28892 30876 38678 43338 57784 58017 61752 77356 86676 116034 154712 173352 232068 464136 599509 1199018 1798527 2398036 3597054 4796072 7194108 14388216