Base | Representation |
---|---|
bin | 1010101010111… |
… | …11010000011011 |
3 | 20020110001011101 |
4 | 11111133100123 |
5 | 140404103011 |
6 | 12514412231 |
7 | 2134620502 |
oct | 525372033 |
9 | 206401141 |
10 | 89519131 |
11 | 46593059 |
12 | 25b91077 |
13 | 15714100 |
14 | bc63839 |
15 | 7cd42c1 |
hex | 555f41b |
89519131 has 12 divisors (see below), whose sum is σ = 97238880. Its totient is φ = 82374240.
The previous prime is 89519083. The next prime is 89519149. The reversal of 89519131 is 13191598.
It is a happy number.
It is not a de Polignac number, because 89519131 - 211 = 89517083 is a prime.
It is a super-2 number, since 2×895191312 = 16027349629990322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (89519191) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72225 + ... + 73453.
It is an arithmetic number, because the mean of its divisors is an integer number (8103240).
Almost surely, 289519131 is an apocalyptic number.
89519131 is a deficient number, since it is larger than the sum of its proper divisors (7719749).
89519131 is a wasteful number, since it uses less digits than its factorization.
89519131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1686 (or 1673 counting only the distinct ones).
The product of its digits is 9720, while the sum is 37.
The square root of 89519131 is about 9461.4550149541. The cubic root of 89519131 is about 447.3409124174.
The spelling of 89519131 in words is "eighty-nine million, five hundred nineteen thousand, one hundred thirty-one".
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