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6897968 = 247112509
BaseRepresentation
bin11010010100000100110000
3110222110020022
4122110010300
53231213333
6403503012
7112426460
oct32240460
913873208
106897968
113991600
122387a68
13157694c
14cb7ba0
15913c98
hex694130

6897968 has 60 divisors (see below), whose sum is σ = 16821840. Its totient is φ = 2682240.

The previous prime is 6897949. The next prime is 6897991. The reversal of 6897968 is 8697986.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13298 + ... + 13806.

It is an arithmetic number, because the mean of its divisors is an integer number (280364).

Almost surely, 26897968 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 6897968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8410920).

6897968 is an abundant number, since it is smaller than the sum of its proper divisors (9923872).

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

6897968 is a wasteful number, since it uses less digits than its factorization.

6897968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 529 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 53.

The square root of 6897968 is about 2626.3982942425. The cubic root of 6897968 is about 190.3591360648.

The spelling of 6897968 in words is "six million, eight hundred ninety-seven thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 56 77 88 112 121 154 176 242 308 484 509 616 847 968 1018 1232 1694 1936 2036 3388 3563 4072 5599 6776 7126 8144 11198 13552 14252 22396 28504 39193 44792 57008 61589 78386 89584 123178 156772 246356 313544 431123 492712 627088 862246 985424 1724492 3448984 6897968