Base | Representation |
---|---|
bin | 1001101000101… |
… | …01110100000101 |
3 | 12122002120111122 |
4 | 10310111310011 |
5 | 131143022301 |
6 | 12004243325 |
7 | 2001020051 |
oct | 464256405 |
9 | 178076448 |
10 | 80829701 |
11 | 41698607 |
12 | 230a0545 |
13 | 13990c34 |
14 | aa40c61 |
15 | 716981b |
hex | 4d15d05 |
80829701 has 2 divisors, whose sum is σ = 80829702. Its totient is φ = 80829700.
The previous prime is 80829653. The next prime is 80829703. The reversal of 80829701 is 10792808.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 80532676 + 297025 = 8974^2 + 545^2 .
It is a cyclic number.
It is not a de Polignac number, because 80829701 - 210 = 80828677 is a prime.
Together with 80829703, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80829703) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40414850 + 40414851.
It is an arithmetic number, because the mean of its divisors is an integer number (40414851).
Almost surely, 280829701 is an apocalyptic number.
It is an amenable number.
80829701 is a deficient number, since it is larger than the sum of its proper divisors (1).
80829701 is an equidigital number, since it uses as much as digits as its factorization.
80829701 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8064, while the sum is 35.
The square root of 80829701 is about 8990.5339663448. The cubic root of 80829701 is about 432.3714315964.
The spelling of 80829701 in words is "eighty million, eight hundred twenty-nine thousand, seven hundred one".
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