Base | Representation |
---|---|
bin | 1001100110100… |
… | …01101011100001 |
3 | 12121120101200111 |
4 | 10303101223201 |
5 | 131110110000 |
6 | 11554251321 |
7 | 1665445321 |
oct | 463215341 |
9 | 177511614 |
10 | 80550625 |
11 | 41517971 |
12 | 22b86b41 |
13 | 138c3bbc |
14 | a9ab281 |
15 | 7111cba |
hex | 4cd1ae1 |
80550625 has 15 divisors (see below), whose sum is σ = 100937221. Its totient is φ = 64261000.
The previous prime is 80550601. The next prime is 80550629. The reversal of 80550625 is 52605508.
The square root of 80550625 is 8975.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 2 ways, for example, as 6315169 + 74235456 = 2513^2 + 8616^2 .
It is not a de Polignac number, because 80550625 - 217 = 80419553 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80550629) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 224196 + ... + 224554.
Almost surely, 280550625 is an apocalyptic number.
80550625 is the 8975-th square number.
80550625 is the 4488-th centered octagonal number.
It is an amenable number.
80550625 is a deficient number, since it is larger than the sum of its proper divisors (20386596).
80550625 is an frugal number, since it uses more digits than its factorization.
80550625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 738 (or 364 counting only the distinct ones).
The product of its (nonzero) digits is 12000, while the sum is 31.
The cubic root of 80550625 is about 431.8732499233.
The spelling of 80550625 in words is "eighty million, five hundred fifty thousand, six hundred twenty-five".
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