Base | Representation |
---|---|
bin | 1010100111000… |
… | …10101011010001 |
3 | 20012111010012001 |
4 | 11103202223101 |
5 | 140241240344 |
6 | 12455434001 |
7 | 2130364006 |
oct | 523425321 |
9 | 205433161 |
10 | 89008849 |
11 | 46274736 |
12 | 25985901 |
13 | 15595a77 |
14 | bb6d8ad |
15 | 7c32ed4 |
hex | 54e2ad1 |
89008849 has 4 divisors (see below), whose sum is σ = 89926564. Its totient is φ = 88091136.
The previous prime is 89008831. The next prime is 89008861. The reversal of 89008849 is 94880098.
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 41990400 + 47018449 = 6480^2 + 6857^2 .
It is a cyclic number.
It is not a de Polignac number, because 89008849 - 221 = 86911697 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 89008799 and 89008808.
It is not an unprimeable number, because it can be changed into a prime (89008819) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458712 + ... + 458905.
It is an arithmetic number, because the mean of its divisors is an integer number (22481641).
Almost surely, 289008849 is an apocalyptic number.
It is an amenable number.
89008849 is a deficient number, since it is larger than the sum of its proper divisors (917715).
89008849 is an equidigital number, since it uses as much as digits as its factorization.
89008849 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 917714.
The product of its (nonzero) digits is 165888, while the sum is 46.
The square root of 89008849 is about 9434.4501164615. The cubic root of 89008849 is about 446.4893062701.
The spelling of 89008849 in words is "eighty-nine million, eight thousand, eight hundred forty-nine".
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