Base | Representation |
---|---|
bin | 1011101010010… |
… | …10100001010001 |
3 | 20211001220122201 |
4 | 11311022201101 |
5 | 200020312201 |
6 | 13412403201 |
7 | 2265323446 |
oct | 565124121 |
9 | 224056581 |
10 | 97822801 |
11 | 5024479a |
12 | 28916501 |
13 | 1736081b |
14 | cdc59cd |
15 | 88c4801 |
hex | 5d4a851 |
97822801 has 2 divisors, whose sum is σ = 97822802. Its totient is φ = 97822800.
The previous prime is 97822799. The next prime is 97822831. The reversal of 97822801 is 10822879.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 51854401 + 45968400 = 7201^2 + 6780^2 .
It is an emirp because it is prime and its reverse (10822879) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 97822801 - 21 = 97822799 is a prime.
Together with 97822799, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (97822831) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48911400 + 48911401.
It is an arithmetic number, because the mean of its divisors is an integer number (48911401).
Almost surely, 297822801 is an apocalyptic number.
It is an amenable number.
97822801 is a deficient number, since it is larger than the sum of its proper divisors (1).
97822801 is an equidigital number, since it uses as much as digits as its factorization.
97822801 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 16128, while the sum is 37.
The square root of 97822801 is about 9890.5409862151. The cubic root of 97822801 is about 460.7655824049.
The spelling of 97822801 in words is "ninety-seven million, eight hundred twenty-two thousand, eight hundred one".
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