Search a number
-
+
14215308 = 2231184609
BaseRepresentation
bin110110001110…
…100010001100
3222202012201220
4312032202030
512114342213
61224403340
7231554022
oct66164214
928665656
1014215308
11802a198
124916550
132c39433
141c60712
1513abe23
hexd8e88c

14215308 has 12 divisors (see below), whose sum is σ = 33169080. Its totient is φ = 4738432.

The previous prime is 14215301. The next prime is 14215309. The reversal of 14215308 is 80351241.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (14215301) 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 3 ways as a sum of consecutive naturals, for example, 592293 + ... + 592316.

It is an arithmetic number, because the mean of its divisors is an integer number (2764090).

Almost surely, 214215308 is an apocalyptic number.

It is an amenable number.

14215308 is an abundant number, since it is smaller than the sum of its proper divisors (18953772).

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

14215308 is a wasteful number, since it uses less digits than its factorization.

14215308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184616 (or 1184614 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 14215308 is about 3770.3193498695. The cubic root of 14215308 is about 242.2434769230.

Adding to 14215308 its reverse (80351241), we get a palindrome (94566549).

The spelling of 14215308 in words is "fourteen million, two hundred fifteen thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 1184609 2369218 3553827 4738436 7107654 14215308