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68803108 = 22111563707
BaseRepresentation
bin1000001100111…
…01101000100100
311210110120010021
410012131220210
5120103144413
610454404524
71463550103
oct406355044
9153416107
1068803108
1135923880
121b060744
131133caca
1491d003a
15609118d
hex419da24

68803108 has 12 divisors (see below), whose sum is σ = 131351472. Its totient is φ = 31274120.

The previous prime is 68803103. The next prime is 68803127. The reversal of 68803108 is 80130886.

It is not an unprimeable number, because it can be changed into a prime (68803103) 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, 781810 + ... + 781897.

It is an arithmetic number, because the mean of its divisors is an integer number (10945956).

Almost surely, 268803108 is an apocalyptic number.

It is an amenable number.

68803108 is a deficient number, since it is larger than the sum of its proper divisors (62548364).

68803108 is a wasteful number, since it uses less digits than its factorization.

68803108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563722 (or 1563720 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 68803108 is about 8294.7638905517. The cubic root of 68803108 is about 409.7660930328.

The spelling of 68803108 in words is "sixty-eight million, eight hundred three thousand, one hundred eight".

Divisors: 1 2 4 11 22 44 1563707 3127414 6254828 17200777 34401554 68803108