Base | Representation |
---|---|
bin | 1001100011011… |
… | …10100011110110 |
3 | 12120210202202122 |
4 | 10301232203312 |
5 | 131004112010 |
6 | 11541435542 |
7 | 1662134546 |
oct | 461564366 |
9 | 176722678 |
10 | 80144630 |
11 | 4126a935 |
12 | 22a0bbb2 |
13 | 137b1177 |
14 | a903326 |
15 | 7081855 |
hex | 4c6e8f6 |
80144630 has 16 divisors (see below), whose sum is σ = 152746560. Its totient is φ = 30172032.
The previous prime is 80144599. The next prime is 80144653. The reversal of 80144630 is 3644108.
It is a self number, because there is not a number n which added to its sum of digits gives 80144630.
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, 235550 + ... + 235889.
It is an arithmetic number, because the mean of its divisors is an integer number (9546660).
Almost surely, 280144630 is an apocalyptic number.
80144630 is a deficient number, since it is larger than the sum of its proper divisors (72601930).
80144630 is a wasteful number, since it uses less digits than its factorization.
80144630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 471463.
The product of its (nonzero) digits is 2304, while the sum is 26.
The square root of 80144630 is about 8952.3533218925. The cubic root of 80144630 is about 431.1464449248.
Adding to 80144630 its reverse (3644108), we get a palindrome (83788738).
The spelling of 80144630 in words is "eighty million, one hundred forty-four thousand, six hundred thirty".
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