Search a number
-
+
7214168 = 231371977
BaseRepresentation
bin11011100001010001011000
3111120111222102
4123201101120
53321323133
6414342532
7115214363
oct33412130
914514872
107214168
114088125
1224baa48
131657850
14d5b0da
159777e8
hex6e1458

7214168 has 32 divisors (see below), whose sum is σ = 14787360. Its totient is φ = 3279360.

The previous prime is 7214161. The next prime is 7214173. The reversal of 7214168 is 8614127.

It is a self number, because there is not a number n which added to its sum of digits gives 7214168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7214161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6896 + ... + 7872.

It is an arithmetic number, because the mean of its divisors is an integer number (462105).

Almost surely, 27214168 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 7214168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7393680).

7214168 is an abundant number, since it is smaller than the sum of its proper divisors (7573192).

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

7214168 is a wasteful number, since it uses less digits than its factorization.

7214168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1063 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 7214168 is about 2685.9203264431. The cubic root of 7214168 is about 193.2244518373.

The spelling of 7214168 in words is "seven million, two hundred fourteen thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 13 26 52 71 104 142 284 568 923 977 1846 1954 3692 3908 7384 7816 12701 25402 50804 69367 101608 138734 277468 554936 901771 1803542 3607084 7214168