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68798398 = 256836053
BaseRepresentation
bin1000001100111…
…00011110111110
311210110022122211
410012130132332
5120103022043
610454331034
71463530264
oct406343676
9153408584
1068798398
1135920289
121b059a7a
131133a916
1491cc434
15608ea9d
hex419c7be

68798398 has 8 divisors (see below), whose sum is σ = 103232808. Its totient is φ = 34387464.

The previous prime is 68798383. The next prime is 68798417. The reversal of 68798398 is 89389786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8340 + ... + 14392.

It is an arithmetic number, because the mean of its divisors is an integer number (12904101).

Almost surely, 268798398 is an apocalyptic number.

68798398 is a deficient number, since it is larger than the sum of its proper divisors (34434410).

68798398 is a wasteful number, since it uses less digits than its factorization.

68798398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11738.

The product of its digits is 5225472, while the sum is 58.

The square root of 68798398 is about 8294.4799716438. The cubic root of 68798398 is about 409.7567424749.

It can be divided in two parts, 68798 and 398, that added together give a palindrome (69196).

The spelling of 68798398 in words is "sixty-eight million, seven hundred ninety-eight thousand, three hundred ninety-eight".

Divisors: 1 2 5683 6053 11366 12106 34399199 68798398