Base | Representation |
---|---|
bin | 1000001001111… |
… | …11111101000110 |
3 | 11202202001202210 |
4 | 10010333331012 |
5 | 120003410043 |
6 | 10442244250 |
7 | 1460361315 |
oct | 404777506 |
9 | 152661683 |
10 | 68419398 |
11 | 35691563 |
12 | 1aab6686 |
13 | 11237268 |
14 | 913027c |
15 | 6017633 |
hex | 413ff46 |
68419398 has 16 divisors (see below), whose sum is σ = 138168576. Its totient is φ = 22584840.
The previous prime is 68419391. The next prime is 68419453. The reversal of 68419398 is 89391486.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68419391) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54738 + ... + 55973.
It is an arithmetic number, because the mean of its divisors is an integer number (8635536).
Almost surely, 268419398 is an apocalyptic number.
68419398 is an abundant number, since it is smaller than the sum of its proper divisors (69749178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68419398 is a wasteful number, since it uses less digits than its factorization.
68419398 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110819.
The product of its digits is 373248, while the sum is 48.
The square root of 68419398 is about 8271.6019004785. The cubic root of 68419398 is about 409.0029271894.
The spelling of 68419398 in words is "sixty-eight million, four hundred nineteen thousand, three hundred ninety-eight".
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