Base | Representation |
---|---|
bin | 1010101011111… |
… | …00011101010101 |
3 | 20020200010020101 |
4 | 11111330131111 |
5 | 140421414431 |
6 | 12521134101 |
7 | 2135626303 |
oct | 525743525 |
9 | 206603211 |
10 | 89638741 |
11 | 46664a05 |
12 | 2602a331 |
13 | 1575669a |
14 | bc95273 |
15 | 7d09961 |
hex | 557c755 |
89638741 has 4 divisors (see below), whose sum is σ = 91330092. Its totient is φ = 87947392.
The previous prime is 89638727. The next prime is 89638777. The reversal of 89638741 is 14783698.
It is a happy number.
89638741 is nontrivially palindromic in base 16.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 41280625 + 48358116 = 6425^2 + 6954^2 .
It is a cyclic number.
It is not a de Polignac number, because 89638741 - 25 = 89638709 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 89638691 and 89638700.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89638721) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845596 + ... + 845701.
It is an arithmetic number, because the mean of its divisors is an integer number (22832523).
Almost surely, 289638741 is an apocalyptic number.
It is an amenable number.
89638741 is a deficient number, since it is larger than the sum of its proper divisors (1691351).
89638741 is a wasteful number, since it uses less digits than its factorization.
89638741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1691350.
The product of its digits is 290304, while the sum is 46.
The square root of 89638741 is about 9467.7738143663. The cubic root of 89638741 is about 447.5400602902.
The spelling of 89638741 in words is "eighty-nine million, six hundred thirty-eight thousand, seven hundred forty-one".
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