Base | Representation |
---|---|
bin | 1010101110001… |
… | …00001011110011 |
3 | 20021020001020111 |
4 | 11113010023303 |
5 | 141010320111 |
6 | 12531322151 |
7 | 2141261653 |
oct | 527041363 |
9 | 207201214 |
10 | 89932531 |
11 | 46845707 |
12 | 26150357 |
13 | 1582a320 |
14 | bd30363 |
15 | 7d66a21 |
hex | 55c42f3 |
89932531 has 8 divisors (see below), whose sum is σ = 97111280. Its totient is φ = 82791072.
The previous prime is 89932523. The next prime is 89932543. The reversal of 89932531 is 13523998.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 89932531 - 23 = 89932523 is a prime.
It is a super-2 number, since 2×899325312 = 16175720264131922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (89932501) 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, 4200 + ... + 14053.
It is an arithmetic number, because the mean of its divisors is an integer number (12138910).
Almost surely, 289932531 is an apocalyptic number.
89932531 is a deficient number, since it is larger than the sum of its proper divisors (7178749).
89932531 is a wasteful number, since it uses less digits than its factorization.
89932531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18645.
The product of its digits is 58320, while the sum is 40.
The square root of 89932531 is about 9483.2763853006. The cubic root of 89932531 is about 448.0284629955.
The spelling of 89932531 in words is "eighty-nine million, nine hundred thirty-two thousand, five hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.183 sec. • engine limits •