Search a number
-
+
7208968 = 231369317
BaseRepresentation
bin11011100000000000001000
3111120020211211
4123200000020
53321141333
6414302504
7115163254
oct33400010
914506754
107208968
114084228
1224b7a34
131655380
14d59264
15975ecd
hex6e0008

7208968 has 16 divisors (see below), whose sum is σ = 14556780. Its totient is φ = 3327168.

The previous prime is 7208951. The next prime is 7208977. The reversal of 7208968 is 8698027.

It can be written as a sum of positive squares in 2 ways, for example, as 6874884 + 334084 = 2622^2 + 578^2 .

It is a super-3 number, since 3×72089683 (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7208968.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34555 + ... + 34762.

Almost surely, 27208968 is an apocalyptic number.

It is an amenable number.

7208968 is an abundant number, since it is smaller than the sum of its proper divisors (7347812).

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

7208968 is a wasteful number, since it uses less digits than its factorization.

7208968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69336 (or 69332 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 7208968 is about 2684.9521411005. The cubic root of 7208968 is about 193.1780150360.

The spelling of 7208968 in words is "seven million, two hundred eight thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 13 26 52 104 69317 138634 277268 554536 901121 1802242 3604484 7208968