Base | Representation |
---|---|
bin | 1011101010001… |
… | …01001001010101 |
3 | 20211000210110110 |
4 | 11311011021111 |
5 | 200014111124 |
6 | 13412113233 |
7 | 2265202332 |
oct | 565051125 |
9 | 224023413 |
10 | 97800789 |
11 | 5022a1a9 |
12 | 28905819 |
13 | 173537b8 |
14 | cdbb989 |
15 | 88bd029 |
hex | 5d45255 |
97800789 has 8 divisors (see below), whose sum is σ = 134897760. Its totient is φ = 62952176.
The previous prime is 97800727. The next prime is 97800803. The reversal of 97800789 is 98700879.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 97800789 - 211 = 97798741 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (97800089) 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 in 7 ways as a sum of consecutive naturals, for example, 561987 + ... + 562160.
It is an arithmetic number, because the mean of its divisors is an integer number (16862220).
Almost surely, 297800789 is an apocalyptic number.
It is an amenable number.
97800789 is a deficient number, since it is larger than the sum of its proper divisors (37096971).
97800789 is a wasteful number, since it uses less digits than its factorization.
97800789 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1124179.
The product of its (nonzero) digits is 254016, while the sum is 48.
The square root of 97800789 is about 9889.4281432245. The cubic root of 97800789 is about 460.7310194580.
It can be divided in two parts, 97800 and 789, that added together give a palindrome (98589).
The spelling of 97800789 in words is "ninety-seven million, eight hundred thousand, seven hundred eighty-nine".
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