Base | Representation |
---|---|
bin | 1000000111001… |
… | …10101001100101 |
3 | 11202001110222220 |
4 | 10003212221211 |
5 | 114410203410 |
6 | 10430342553 |
7 | 1454306004 |
oct | 403465145 |
9 | 152043886 |
10 | 68053605 |
11 | 35461754 |
12 | 1a95aa59 |
13 | 11139909 |
14 | 9076c3b |
15 | 5e94070 |
hex | 40e6a65 |
68053605 has 32 divisors (see below), whose sum is σ = 111196800. Its totient is φ = 35534592.
The previous prime is 68053597. The next prime is 68053621. The reversal of 68053605 is 50635086.
It is not a de Polignac number, because 68053605 - 23 = 68053597 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174751 + ... + 175139.
It is an arithmetic number, because the mean of its divisors is an integer number (3474900).
Almost surely, 268053605 is an apocalyptic number.
It is an amenable number.
68053605 is a deficient number, since it is larger than the sum of its proper divisors (43143195).
68053605 is a wasteful number, since it uses less digits than its factorization.
68053605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 613.
The product of its (nonzero) digits is 21600, while the sum is 33.
The square root of 68053605 is about 8249.4608914765. The cubic root of 68053605 is about 408.2727355122.
It can be divided in two parts, 680 and 53605, that added together give a triangular number (54285 = T329).
The spelling of 68053605 in words is "sixty-eight million, fifty-three thousand, six hundred five".
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