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68798382 = 23232917191
BaseRepresentation
bin1000001100111…
…00011110101110
311210110022122020
410012130132232
5120103022012
610454331010
71463530242
oct406343656
9153408566
1068798382
1135920274
121b059a66
131133a903
1491cc422
15608ea8c
hex419c7ae

68798382 has 32 divisors (see below), whose sum is σ = 148538880. Its totient is φ = 21178080.

The previous prime is 68798377. The next prime is 68798383. The reversal of 68798382 is 28389786.

It is a super-3 number, since 3×687983823 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68798383) 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, 4594 + ... + 12597.

It is an arithmetic number, because the mean of its divisors is an integer number (4641840).

Almost surely, 268798382 is an apocalyptic number.

68798382 is an abundant number, since it is smaller than the sum of its proper divisors (79740498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68798382 is a wasteful number, since it uses less digits than its factorization.

68798382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17248.

The product of its digits is 1161216, while the sum is 51.

The square root of 68798382 is about 8294.4790071469. The cubic root of 68798382 is about 409.7567107101.

The spelling of 68798382 in words is "sixty-eight million, seven hundred ninety-eight thousand, three hundred eighty-two".

Divisors: 1 2 3 6 23 29 46 58 69 87 138 174 667 1334 2001 4002 17191 34382 51573 103146 395393 498539 790786 997078 1186179 1495617 2372358 2991234 11466397 22932794 34399191 68798382