Base | Representation |
---|---|
bin | 110100110000011… |
… | …1001010010100001 |
3 | 11120101000001100002 |
4 | 1221200321102201 |
5 | 12111134342240 |
6 | 451354105345 |
7 | 61603500110 |
oct | 15140712241 |
9 | 4511001302 |
10 | 1770230945 |
11 | 82928178a |
12 | 414a1b255 |
13 | 222999242 |
14 | 12b167c77 |
15 | a5627d15 |
hex | 698394a1 |
1770230945 has 8 divisors (see below), whose sum is σ = 2427745344. Its totient is φ = 1213872624.
The previous prime is 1770230921. The next prime is 1770230951. The reversal of 1770230945 is 5490320771.
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 1770230945 - 218 = 1769968801 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1770230899 and 1770230908.
It is an unprimeable number.
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, 25288979 + ... + 25289048.
It is an arithmetic number, because the mean of its divisors is an integer number (303468168).
Almost surely, 21770230945 is an apocalyptic number.
It is an amenable number.
1770230945 is a deficient number, since it is larger than the sum of its proper divisors (657514399).
1770230945 is an equidigital number, since it uses as much as digits as its factorization.
1770230945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50578039.
The product of its (nonzero) digits is 52920, while the sum is 38.
The square root of 1770230945 is about 42074.1125277765. The cubic root of 1770230945 is about 1209.6971090319.
The spelling of 1770230945 in words is "one billion, seven hundred seventy million, two hundred thirty thousand, nine hundred forty-five".
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