Base | Representation |
---|---|
bin | 101011100001010… |
… | …101111011001101 |
3 | 1212212221000101021 |
4 | 223201111323031 |
5 | 2443410121340 |
6 | 200241514141 |
7 | 24044156551 |
oct | 5341257315 |
9 | 1785830337 |
10 | 730160845 |
11 | 34517a717 |
12 | 184642951 |
13 | b836c64b |
14 | 6cd89861 |
15 | 4417de4a |
hex | 2b855ecd |
730160845 has 4 divisors (see below), whose sum is σ = 876193020. Its totient is φ = 584128672.
The previous prime is 730160803. The next prime is 730160867. The reversal of 730160845 is 548061037.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 548061037 = 12329 ⋅44453.
It can be written as a sum of positive squares in 2 ways, for example, as 193265604 + 536895241 = 13902^2 + 23171^2 .
It is a cyclic number.
It is not a de Polignac number, because 730160845 - 211 = 730158797 is a prime.
It is a super-2 number, since 2×7301608452 = 1066269719142228050, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 730160845.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 73016080 + ... + 73016089.
It is an arithmetic number, because the mean of its divisors is an integer number (219048255).
Almost surely, 2730160845 is an apocalyptic number.
It is an amenable number.
730160845 is a deficient number, since it is larger than the sum of its proper divisors (146032175).
730160845 is a wasteful number, since it uses less digits than its factorization.
730160845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146032174.
The product of its (nonzero) digits is 20160, while the sum is 34.
The square root of 730160845 is about 27021.4885785369. The cubic root of 730160845 is about 900.4774606485.
The spelling of 730160845 in words is "seven hundred thirty million, one hundred sixty thousand, eight hundred forty-five".
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