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68853616 = 2413331027
BaseRepresentation
bin1000001101010…
…01111101110000
311210120010101221
410012221331300
5120111303431
610455434424
71464150256
oct406517560
9153503357
1068853616
1135958817
121b085a14
1311359ab0
1492045d6
1560a1111
hex41a9f70

68853616 has 20 divisors (see below), whose sum is σ = 143666152. Its totient is φ = 31778496.

The previous prime is 68853601. The next prime is 68853643. The reversal of 68853616 is 61635886.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165306 + ... + 165721.

Almost surely, 268853616 is an apocalyptic number.

It is an amenable number.

68853616 is an abundant number, since it is smaller than the sum of its proper divisors (74812536).

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

68853616 is a wasteful number, since it uses less digits than its factorization.

68853616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331048 (or 331042 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 68853616 is about 8297.8079032959. The cubic root of 68853616 is about 409.8663375523.

It can be divided in two parts, 6885 and 3616, that added together give a palindrome (10501).

The spelling of 68853616 in words is "sixty-eight million, eight hundred fifty-three thousand, six hundred sixteen".

Divisors: 1 2 4 8 13 16 26 52 104 208 331027 662054 1324108 2648216 4303351 5296432 8606702 17213404 34426808 68853616