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68479612 = 2219189633
BaseRepresentation
bin1000001010011…
…10101001111100
311202212010100221
410011032221330
5120012321422
610443431124
71461032005
oct405165174
9152763327
1068479612
1135722823
121ab254a4
13112587a6
1491481ac
15602a3c7
hex414ea7c

68479612 has 12 divisors (see below), whose sum is σ = 120468096. Its totient is φ = 34060160.

The previous prime is 68479583. The next prime is 68479613. The reversal of 68479612 is 21697486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68479613) by changing a digit.

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, 44053 + ... + 45580.

It is an arithmetic number, because the mean of its divisors is an integer number (10039008).

Almost surely, 268479612 is an apocalyptic number.

It is an amenable number.

68479612 is a deficient number, since it is larger than the sum of its proper divisors (51988484).

68479612 is a wasteful number, since it uses less digits than its factorization.

68479612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89828 (or 89826 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 68479612 is about 8275.2409028378. The cubic root of 68479612 is about 409.1228760235.

The spelling of 68479612 in words is "sixty-eight million, four hundred seventy-nine thousand, six hundred twelve".

Divisors: 1 2 4 191 382 764 89633 179266 358532 17119903 34239806 68479612