Base | Representation |
---|---|
bin | 101101111011010… |
… | …101001110100001 |
3 | 1222200212212221001 |
4 | 231323111032201 |
5 | 3034223400121 |
6 | 204243032001 |
7 | 25044244534 |
oct | 5573251641 |
9 | 1880785831 |
10 | 770528161 |
11 | 365a41237 |
12 | 19606b601 |
13 | c3834430 |
14 | 74496a1b |
15 | 479a4991 |
hex | 2ded53a1 |
770528161 has 8 divisors (see below), whose sum is σ = 830017664. Its totient is φ = 711069840.
The previous prime is 770528153. The next prime is 770528167. The reversal of 770528161 is 161825077.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 770528161 - 23 = 770528153 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 770528161.
It is not an unprimeable number, because it can be changed into a prime (770528167) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81406 + ... + 90376.
It is an arithmetic number, because the mean of its divisors is an integer number (103752208).
Almost surely, 2770528161 is an apocalyptic number.
It is an amenable number.
770528161 is a deficient number, since it is larger than the sum of its proper divisors (59489503).
770528161 is a wasteful number, since it uses less digits than its factorization.
770528161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15591.
The product of its (nonzero) digits is 23520, while the sum is 37.
The square root of 770528161 is about 27758.3890202584. The cubic root of 770528161 is about 916.7751621370.
The spelling of 770528161 in words is "seven hundred seventy million, five hundred twenty-eight thousand, one hundred sixty-one".
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