Base | Representation |
---|---|
bin | 1001100101100… |
… | …01101011100001 |
3 | 12121022201212222 |
4 | 10302301223201 |
5 | 131041411203 |
6 | 11551400425 |
7 | 1664361224 |
oct | 462615341 |
9 | 177281788 |
10 | 80419553 |
11 | 41438445 |
12 | 22b23115 |
13 | 13879346 |
14 | a9755bb |
15 | 70d8038 |
hex | 4cb1ae1 |
80419553 has 2 divisors, whose sum is σ = 80419554. Its totient is φ = 80419552.
The previous prime is 80419541. The next prime is 80419561. The reversal of 80419553 is 35591408.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 79352464 + 1067089 = 8908^2 + 1033^2 .
It is a cyclic number.
It is not a de Polignac number, because 80419553 - 26 = 80419489 is a prime.
It is a Chen prime.
It is equal to p4692482 and since 80419553 and 4692482 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (80419513) 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 as a sum of consecutive naturals, namely, 40209776 + 40209777.
It is an arithmetic number, because the mean of its divisors is an integer number (40209777).
Almost surely, 280419553 is an apocalyptic number.
It is an amenable number.
80419553 is a deficient number, since it is larger than the sum of its proper divisors (1).
80419553 is an equidigital number, since it uses as much as digits as its factorization.
80419553 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 21600, while the sum is 35.
The square root of 80419553 is about 8967.6949658204. The cubic root of 80419553 is about 431.6388746602.
The spelling of 80419553 in words is "eighty million, four hundred nineteen thousand, five hundred fifty-three".
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