Base | Representation |
---|---|
bin | 101010111010110… |
… | …001011001001101 |
3 | 1212011220022112221 |
4 | 222322301121031 |
5 | 2433313042431 |
6 | 155241055341 |
7 | 23562215245 |
oct | 5272613115 |
9 | 1764808487 |
10 | 720049741 |
11 | 33a4a4034 |
12 | 181187551 |
13 | b623c348 |
14 | 6b8b6b25 |
15 | 43333111 |
hex | 2aeb164d |
720049741 has 8 divisors (see below), whose sum is σ = 749133824. Its totient is φ = 691331760.
The previous prime is 720049727. The next prime is 720049763. The reversal of 720049741 is 147940027.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-720049741 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 15.
It is a junction number, because it is equal to n+sod(n) for n = 720049697 and 720049706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (720049241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87510 + ... + 95383.
It is an arithmetic number, because the mean of its divisors is an integer number (93641728).
Almost surely, 2720049741 is an apocalyptic number.
It is an amenable number.
720049741 is a deficient number, since it is larger than the sum of its proper divisors (29084083).
720049741 is a wasteful number, since it uses less digits than its factorization.
720049741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 183051.
The product of its (nonzero) digits is 14112, while the sum is 34.
The square root of 720049741 is about 26833.7425828005. The cubic root of 720049741 is about 896.3015886096.
Adding to 720049741 its reverse (147940027), we get a palindrome (867989768).
The spelling of 720049741 in words is "seven hundred twenty million, forty-nine thousand, seven hundred forty-one".
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