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68463283 = 731378527
BaseRepresentation
bin1000001010010…
…10101010110011
311202211021222011
410011022222303
5120011311113
610443223351
71460633260
oct405125263
9152737864
1068463283
1135711529
121ab17b57
1311251225
149142267
15602563d
hex414aab3

68463283 has 16 divisors (see below), whose sum is σ = 82960384. Its totient is φ = 55248480.

The previous prime is 68463277. The next prime is 68463293. The reversal of 68463283 is 38236486.

It is not a de Polignac number, because 68463283 - 225 = 34908851 is a prime.

It is a super-2 number, since 2×684632832 = 9374442238276178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68463253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3766 + ... + 12292.

It is an arithmetic number, because the mean of its divisors is an integer number (5185024).

Almost surely, 268463283 is an apocalyptic number.

68463283 is a deficient number, since it is larger than the sum of its proper divisors (14497101).

68463283 is a wasteful number, since it uses less digits than its factorization.

68463283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8602.

The product of its digits is 165888, while the sum is 40.

The square root of 68463283 is about 8274.2542262128. The cubic root of 68463283 is about 409.0903549158.

The spelling of 68463283 in words is "sixty-eight million, four hundred sixty-three thousand, two hundred eighty-three".

Divisors: 1 7 31 37 217 259 1147 8029 8527 59689 264337 315499 1850359 2208493 9780469 68463283