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68482017 = 352312253
BaseRepresentation
bin1000001010011…
…11001111100001
311202212020200000
410011033033201
5120012411032
610443450213
71461042012
oct405171741
9152766600
1068482017
113572460a
121ab26969
1311259906
149149009
15602ae7c
hex414f3e1

68482017 has 24 divisors (see below), whose sum is σ = 107050944. Its totient is φ = 43666128.

The previous prime is 68482009. The next prime is 68482031. The reversal of 68482017 is 71028486.

It is not a de Polignac number, because 68482017 - 23 = 68482009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68482217) 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 23 ways as a sum of consecutive naturals, for example, 538 + ... + 11715.

It is an arithmetic number, because the mean of its divisors is an integer number (4460456).

Almost surely, 268482017 is an apocalyptic number.

It is an amenable number.

68482017 is a deficient number, since it is larger than the sum of its proper divisors (38568927).

68482017 is a wasteful number, since it uses less digits than its factorization.

68482017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12291 (or 12279 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 68482017 is about 8275.3862145522. The cubic root of 68482017 is about 409.1276654247.

The spelling of 68482017 in words is "sixty-eight million, four hundred eighty-two thousand, seventeen".

Divisors: 1 3 9 23 27 69 81 207 243 621 1863 5589 12253 36759 110277 281819 330831 845457 992493 2536371 2977479 7609113 22827339 68482017