Base | Representation |
---|---|
bin | 1010101010110… |
… | …10000100111000 |
3 | 20020101222001111 |
4 | 11111122010320 |
5 | 140402413122 |
6 | 12514130104 |
7 | 2134501600 |
oct | 525320470 |
9 | 206358044 |
10 | 89497912 |
11 | 46579119 |
12 | 25b80934 |
13 | 1570755a |
14 | bc59c00 |
15 | 7cccd77 |
hex | 555a138 |
89497912 has 24 divisors (see below), whose sum is σ = 195206760. Its totient is φ = 38356080.
The previous prime is 89497907. The next prime is 89497913. The reversal of 89497912 is 21979498.
It is a Harshad number since it is a multiple of its sum of digits (49).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89497913) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113764 + ... + 114547.
It is an arithmetic number, because the mean of its divisors is an integer number (8133615).
Almost surely, 289497912 is an apocalyptic number.
It is an amenable number.
89497912 is an abundant number, since it is smaller than the sum of its proper divisors (105708848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89497912 is a wasteful number, since it uses less digits than its factorization.
89497912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 228331 (or 228320 counting only the distinct ones).
The product of its digits is 326592, while the sum is 49.
The square root of 89497912 is about 9460.3336093396. Note that the first 3 decimals coincide. The cubic root of 89497912 is about 447.3055647519.
It can be divided in two parts, 89497 and 912, that added together give a palindrome (90409).
The spelling of 89497912 in words is "eighty-nine million, four hundred ninety-seven thousand, nine hundred twelve".
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