Base | Representation |
---|---|
bin | 1000001101001… |
… | …11110100000111 |
3 | 11210112200022200 |
4 | 10012213310013 |
5 | 120111013212 |
6 | 10455325543 |
7 | 1464112503 |
oct | 406476407 |
9 | 153480280 |
10 | 68844807 |
11 | 35952139 |
12 | 1b0808b3 |
13 | 11355a95 |
14 | 9201303 |
15 | 609d6dc |
hex | 41a7d07 |
68844807 has 12 divisors (see below), whose sum is σ = 99598200. Its totient is φ = 45824688.
The previous prime is 68844779. The next prime is 68844833. The reversal of 68844807 is 70844886.
It is not a de Polignac number, because 68844807 - 212 = 68840711 is a prime.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68844857) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444 + ... + 11742.
It is an arithmetic number, because the mean of its divisors is an integer number (8299850).
Almost surely, 268844807 is an apocalyptic number.
68844807 is a deficient number, since it is larger than the sum of its proper divisors (30753393).
68844807 is a wasteful number, since it uses less digits than its factorization.
68844807 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11982 (or 11979 counting only the distinct ones).
The product of its (nonzero) digits is 344064, while the sum is 45.
The square root of 68844807 is about 8297.2770834774. The cubic root of 68844807 is about 409.8488576350.
The spelling of 68844807 in words is "sixty-eight million, eight hundred forty-four thousand, eight hundred seven".
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