Base | Representation |
---|---|
bin | 1001100101101… |
… | …00010111110001 |
3 | 12121100022000021 |
4 | 10302310113301 |
5 | 131042234302 |
6 | 11551523441 |
7 | 1664435323 |
oct | 462642761 |
9 | 177308007 |
10 | 80430577 |
11 | 41445757 |
12 | 22b29581 |
13 | 13881376 |
14 | a979613 |
15 | 70db437 |
hex | 4cb45f1 |
80430577 has 2 divisors, whose sum is σ = 80430578. Its totient is φ = 80430576.
The previous prime is 80430541. The next prime is 80430593. The reversal of 80430577 is 77503408.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 74235456 + 6195121 = 8616^2 + 2489^2 .
It is a cyclic number.
It is not a de Polignac number, because 80430577 - 211 = 80428529 is a prime.
It is not a weakly prime, because it can be changed into another prime (80430527) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40215288 + 40215289.
It is an arithmetic number, because the mean of its divisors is an integer number (40215289).
Almost surely, 280430577 is an apocalyptic number.
It is an amenable number.
80430577 is a deficient number, since it is larger than the sum of its proper divisors (1).
80430577 is an equidigital number, since it uses as much as digits as its factorization.
80430577 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 23520, while the sum is 34.
The square root of 80430577 is about 8968.3095954589. The cubic root of 80430577 is about 431.6585969349.
The spelling of 80430577 in words is "eighty million, four hundred thirty thousand, five hundred seventy-seven".
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