Base | Representation |
---|---|
bin | 1011111110001… |
… | …11001010100001 |
3 | 20222222101202001 |
4 | 11333013022201 |
5 | 201202233442 |
6 | 13544324001 |
7 | 2326434166 |
oct | 577071241 |
9 | 228871661 |
10 | 100430497 |
11 | 51765a12 |
12 | 29773601 |
13 | 17a6473b |
14 | d4a406d |
15 | 8c3c2b7 |
hex | 5fc72a1 |
100430497 has 2 divisors, whose sum is σ = 100430498. Its totient is φ = 100430496.
The previous prime is 100430437. The next prime is 100430501. The reversal of 100430497 is 794034001.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 97594641 + 2835856 = 9879^2 + 1684^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-100430497 is a prime.
It is not a weakly prime, because it can be changed into another prime (100430437) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50215248 + 50215249.
It is an arithmetic number, because the mean of its divisors is an integer number (50215249).
Almost surely, 2100430497 is an apocalyptic number.
It is an amenable number.
100430497 is a deficient number, since it is larger than the sum of its proper divisors (1).
100430497 is an equidigital number, since it uses as much as digits as its factorization.
100430497 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3024, while the sum is 28.
The square root of 100430497 is about 10021.5017337722. The cubic root of 100430497 is about 464.8239932024.
Adding to 100430497 its reverse (794034001), we get a palindrome (894464498).
The spelling of 100430497 in words is "one hundred million, four hundred thirty thousand, four hundred ninety-seven".
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