Base | Representation |
---|---|
bin | 1000001001111… |
… | …11111101011000 |
3 | 11202202001210110 |
4 | 10010333331120 |
5 | 120003410131 |
6 | 10442244320 |
7 | 1460361342 |
oct | 404777530 |
9 | 152661713 |
10 | 68419416 |
11 | 3569157a |
12 | 1aab66a0 |
13 | 11237280 |
14 | 9130292 |
15 | 6017646 |
hex | 413ff58 |
68419416 has 32 divisors (see below), whose sum is σ = 184206960. Its totient is φ = 21052032.
The previous prime is 68419391. The next prime is 68419453. The reversal of 68419416 is 61491486.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109335 + ... + 109958.
Almost surely, 268419416 is an apocalyptic number.
It is an amenable number.
68419416 is an abundant number, since it is smaller than the sum of its proper divisors (115787544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68419416 is a wasteful number, since it uses less digits than its factorization.
68419416 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 219315 (or 219311 counting only the distinct ones).
The product of its digits is 41472, while the sum is 39.
The square root of 68419416 is about 8271.6029885386. The cubic root of 68419416 is about 409.0029630566.
It can be divided in two parts, 684 and 19416, that added together give a triangular number (20100 = T200).
The spelling of 68419416 in words is "sixty-eight million, four hundred nineteen thousand, four hundred sixteen".
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