Base | Representation |
---|---|
bin | 1010101010010… |
… | …01001100000101 |
3 | 20020021110011121 |
4 | 11111021030011 |
5 | 140343204431 |
6 | 12512433541 |
7 | 2134063123 |
oct | 525111405 |
9 | 206243147 |
10 | 89428741 |
11 | 46531156 |
12 | 25b488b1 |
13 | 156b1c1c |
14 | bc3c913 |
15 | 7cb7611 |
hex | 5549305 |
89428741 has 8 divisors (see below), whose sum is σ = 92319480. Its totient is φ = 86563008.
The previous prime is 89428739. The next prime is 89428747. The reversal of 89428741 is 14782498.
It can be written as a sum of positive squares in 4 ways, for example, as 78676900 + 10751841 = 8870^2 + 3279^2 .
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 89428741 - 21 = 89428739 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 (89428747) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1155 + ... + 13423.
It is an arithmetic number, because the mean of its divisors is an integer number (11539935).
Almost surely, 289428741 is an apocalyptic number.
It is an amenable number.
89428741 is a deficient number, since it is larger than the sum of its proper divisors (2890739).
89428741 is a wasteful number, since it uses less digits than its factorization.
89428741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12503.
The product of its digits is 129024, while the sum is 43.
The square root of 89428741 is about 9456.6770590943. The cubic root of 89428741 is about 447.1902974529.
The spelling of 89428741 in words is "eighty-nine million, four hundred twenty-eight thousand, seven hundred forty-one".
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