Base | Representation |
---|---|
bin | 1010101100100… |
… | …10101111111111 |
3 | 20020211202111002 |
4 | 11112102233333 |
5 | 140432330142 |
6 | 12523120515 |
7 | 2136456431 |
oct | 526225777 |
9 | 206752432 |
10 | 89730047 |
11 | 46717570 |
12 | 2607313b |
13 | 15789104 |
14 | bcba651 |
15 | 7d26a32 |
hex | 5592bff |
89730047 has 8 divisors (see below), whose sum is σ = 97956480. Its totient is φ = 81515160.
The previous prime is 89730037. The next prime is 89730133. The reversal of 89730047 is 74003798.
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 89730047 - 220 = 88681471 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89730037) 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, 25904 + ... + 29162.
It is an arithmetic number, because the mean of its divisors is an integer number (12244560).
Almost surely, 289730047 is an apocalyptic number.
89730047 is a deficient number, since it is larger than the sum of its proper divisors (8226433).
89730047 is a wasteful number, since it uses less digits than its factorization.
89730047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5773.
The product of its (nonzero) digits is 42336, while the sum is 38.
The square root of 89730047 is about 9472.5945231494. The cubic root of 89730047 is about 447.6919634582.
The spelling of 89730047 in words is "eighty-nine million, seven hundred thirty thousand, forty-seven".
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