Base | Representation |
---|---|
bin | 1001011010100… |
… | …11001000100001 |
3 | 12111121210021201 |
4 | 10231103020201 |
5 | 130204434323 |
6 | 11500521201 |
7 | 1646231134 |
oct | 455231041 |
9 | 174553251 |
10 | 78983713 |
11 | 406476a6 |
12 | 22550201 |
13 | 13495933 |
14 | a6c021b |
15 | 6e028ad |
hex | 4b53221 |
78983713 has 12 divisors (see below), whose sum is σ = 81935280. Its totient is φ = 76105512.
The previous prime is 78983659. The next prime is 78983719. The reversal of 78983713 is 31738987.
It is a happy number.
It is not a de Polignac number, because 78983713 - 213 = 78975521 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (78983719) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 621856 + ... + 621982.
It is an arithmetic number, because the mean of its divisors is an integer number (6827940).
Almost surely, 278983713 is an apocalyptic number.
It is an amenable number.
78983713 is a deficient number, since it is larger than the sum of its proper divisors (2951567).
78983713 is an equidigital number, since it uses as much as digits as its factorization.
78983713 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 396 (or 269 counting only the distinct ones).
The product of its digits is 254016, while the sum is 46.
The square root of 78983713 is about 8887.2781547558. The cubic root of 78983713 is about 429.0545533688.
It can be divided in two parts, 7898 and 3713, that added together give a palindrome (11611).
The spelling of 78983713 in words is "seventy-eight million, nine hundred eighty-three thousand, seven hundred thirteen".
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