Base | Representation |
---|---|
bin | 1000001010100… |
… | …10000101010100 |
3 | 11202212211121221 |
4 | 10011102011110 |
5 | 120013244102 |
6 | 10444020124 |
7 | 1461120643 |
oct | 405220524 |
9 | 152784557 |
10 | 68493652 |
11 | 35732327 |
12 | 1ab31644 |
13 | 11261cb6 |
14 | 914d35a |
15 | 602e637 |
hex | 4152154 |
68493652 has 6 divisors (see below), whose sum is σ = 119863898. Its totient is φ = 34246824.
The previous prime is 68493643. The next prime is 68493653. The reversal of 68493652 is 25639486.
It can be written as a sum of positive squares in only one way, i.e., 60279696 + 8213956 = 7764^2 + 2866^2 .
It is a junction number, because it is equal to n+sod(n) for n = 68493599 and 68493608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68493653) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8561703 + ... + 8561710.
Almost surely, 268493652 is an apocalyptic number.
It is an amenable number.
68493652 is a deficient number, since it is larger than the sum of its proper divisors (51370246).
68493652 is a wasteful number, since it uses less digits than its factorization.
68493652 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17123417 (or 17123415 counting only the distinct ones).
The product of its digits is 311040, while the sum is 43.
The square root of 68493652 is about 8276.0891730334. The cubic root of 68493652 is about 409.1508341875.
It can be divided in two parts, 6849 and 3652, that added together give a palindrome (10501).
The spelling of 68493652 in words is "sixty-eight million, four hundred ninety-three thousand, six hundred fifty-two".
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