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68398 = 2113109
BaseRepresentation
bin10000101100101110
310110211021
4100230232
54142043
61244354
7403261
oct205456
9113737
1068398
1147430
12336ba
1325195
141acd8
15153ed
hex10b2e

68398 has 8 divisors (see below), whose sum is σ = 111960. Its totient is φ = 31080.

The previous prime is 68389. The next prime is 68399. The reversal of 68398 is 89386.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1533 + ... + 1576.

It is an arithmetic number, because the mean of its divisors is an integer number (13995).

268398 is an apocalyptic number.

68398 is a deficient number, since it is larger than the sum of its proper divisors (43562).

68398 is a wasteful number, since it uses less digits than its factorization.

68398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122.

The product of its digits is 10368, while the sum is 34.

The square root of 68398 is about 261.5301129889. The cubic root of 68398 is about 40.8960284521.

The spelling of 68398 in words is "sixty-eight thousand, three hundred ninety-eight".

Divisors: 1 2 11 22 3109 6218 34199 68398