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68058263 = 713799467
BaseRepresentation
bin1000000111001…
…11110010010111
311202001201101102
410003213302113
5114410331023
610430420315
71454325410
oct403476227
9152051342
1068058263
11354651a9
121a96169b
131113ba80
149078807
155e95628
hex40e7c97

68058263 has 16 divisors (see below), whose sum is σ = 84833280. Its totient is φ = 53161056.

The previous prime is 68058253. The next prime is 68058269. The reversal of 68058263 is 36285086.

It is not a de Polignac number, because 68058263 - 28 = 68058007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68058269) 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, 2456 + ... + 11922.

It is an arithmetic number, because the mean of its divisors is an integer number (5302080).

Almost surely, 268058263 is an apocalyptic number.

68058263 is a deficient number, since it is larger than the sum of its proper divisors (16775017).

68058263 is a wasteful number, since it uses less digits than its factorization.

68058263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9566.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 68058263 is about 8249.7432081247. The cubic root of 68058263 is about 408.2820501841.

The spelling of 68058263 in words is "sixty-eight million, fifty-eight thousand, two hundred sixty-three".

Divisors: 1 7 13 79 91 553 1027 7189 9467 66269 123071 747893 861497 5235251 9722609 68058263