Search a number
-
+
16131384 = 2332224047
BaseRepresentation
bin111101100010…
…010100111000
31010100120002200
4331202110320
513112201014
61333430200
7254054163
oct75422470
933316080
1016131384
119118825
12549b360
13345a5c9
1421dcada
151639a09
hexf62538

16131384 has 24 divisors (see below), whose sum is σ = 43689360. Its totient is φ = 5377104.

The previous prime is 16131373. The next prime is 16131397. The reversal of 16131384 is 48313161.

16131384 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111952 + ... + 112095.

It is an arithmetic number, because the mean of its divisors is an integer number (1820390).

Almost surely, 216131384 is an apocalyptic number.

It is an amenable number.

16131384 is an abundant number, since it is smaller than the sum of its proper divisors (27557976).

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

16131384 is a wasteful number, since it uses less digits than its factorization.

16131384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224059 (or 224052 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 16131384 is about 4016.3894233503. The cubic root of 16131384 is about 252.6720534384.

The spelling of 16131384 in words is "sixteen million, one hundred thirty-one thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 224047 448094 672141 896188 1344282 1792376 2016423 2688564 4032846 5377128 8065692 16131384