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6868608 = 27331577
BaseRepresentation
bin11010001100111010000000
3110220221221220
4122030322000
53224243413
6403115040
7112245045
oct32147200
913827856
106868608
11397153a
122372a80
131566486
14cab1cc
1590a223
hex68ce80

6868608 has 64 divisors (see below), whose sum is σ = 18865920. Its totient is φ = 2211840.

The previous prime is 6868597. The next prime is 6868613. The reversal of 6868608 is 8068686.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 6868608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11616 + ... + 12192.

It is an arithmetic number, because the mean of its divisors is an integer number (294780).

Almost surely, 26868608 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 6868608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9432960).

6868608 is an abundant number, since it is smaller than the sum of its proper divisors (11997312).

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

6868608 is a wasteful number, since it uses less digits than its factorization.

6868608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 6868608 is about 2620.8029304013. The cubic root of 6868608 is about 190.0886751360.

The spelling of 6868608 in words is "six million, eight hundred sixty-eight thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 64 93 96 124 128 186 192 248 372 384 496 577 744 992 1154 1488 1731 1984 2308 2976 3462 3968 4616 5952 6924 9232 11904 13848 17887 18464 27696 35774 36928 53661 55392 71548 73856 107322 110784 143096 214644 221568 286192 429288 572384 858576 1144768 1717152 2289536 3434304 6868608