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68000463 = 3271106417
BaseRepresentation
bin1000000110110…
…01101011001111
311201221210002200
410003121223033
5114402003323
610425252543
71453665036
oct403315317
9151853080
1068000463
1135425833
121a934153
131111b67b
14906171d
155e83443
hex40d9acf

68000463 has 12 divisors (see below), whose sum is σ = 99607248. Its totient is φ = 44694720.

The previous prime is 68000441. The next prime is 68000467. The reversal of 68000463 is 36400086.

It is not a de Polignac number, because 68000463 - 213 = 67992271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68000467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52570 + ... + 53847.

It is an arithmetic number, because the mean of its divisors is an integer number (8300604).

Almost surely, 268000463 is an apocalyptic number.

68000463 is a deficient number, since it is larger than the sum of its proper divisors (31606785).

68000463 is a wasteful number, since it uses less digits than its factorization.

68000463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106494 (or 106491 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 68000463 is about 8246.2393246861. The cubic root of 68000463 is about 408.1664365653.

The spelling of 68000463 in words is "sixty-eight million, four hundred sixty-three", and thus it is an aban number.

Divisors: 1 3 9 71 213 639 106417 319251 957753 7555607 22666821 68000463