Base | Representation |
---|---|
bin | 1001100101011… |
… | …00110100000011 |
3 | 12121021201112200 |
4 | 10302230310003 |
5 | 131040241434 |
6 | 11551124243 |
7 | 1664246136 |
oct | 462546403 |
9 | 177251480 |
10 | 80399619 |
11 | 41424473 |
12 | 22b13683 |
13 | 13870251 |
14 | a96c21d |
15 | 70d2199 |
hex | 4cacd03 |
80399619 has 12 divisors (see below), whose sum is σ = 117769392. Its totient is φ = 52844400.
The previous prime is 80399611. The next prime is 80399677. The reversal of 80399619 is 91699308.
It is not a de Polignac number, because 80399619 - 23 = 80399611 is a prime.
It is a super-3 number, since 3×803996193 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (80399611) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62272 + ... + 63549.
It is an arithmetic number, because the mean of its divisors is an integer number (9814116).
Almost surely, 280399619 is an apocalyptic number.
80399619 is a deficient number, since it is larger than the sum of its proper divisors (37369773).
80399619 is a wasteful number, since it uses less digits than its factorization.
80399619 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125898 (or 125895 counting only the distinct ones).
The product of its (nonzero) digits is 104976, while the sum is 45.
The square root of 80399619 is about 8966.5834630588. The cubic root of 80399619 is about 431.6032075452.
It can be divided in two parts, 80399 and 619, that added together give a palindrome (81018).
The spelling of 80399619 in words is "eighty million, three hundred ninety-nine thousand, six hundred nineteen".
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