Base | Representation |
---|---|
bin | 1010001111101… |
… | …11101000001010 |
3 | 12222201122210000 |
4 | 11013313220022 |
5 | 134000331223 |
6 | 12310103430 |
7 | 2062360665 |
oct | 507675012 |
9 | 188648700 |
10 | 85948938 |
11 | 44574789 |
12 | 2494ab76 |
13 | 14a6407a |
14 | b5b46dc |
15 | 782b543 |
hex | 51f7a0a |
85948938 has 20 divisors (see below), whose sum is σ = 192589650. Its totient is φ = 28649592.
The previous prime is 85948937. The next prime is 85949009. The reversal of 85948938 is 83984958.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 67519089 + 18429849 = 8217^2 + 4293^2 .
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (85948931) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 265113 + ... + 265436.
Almost surely, 285948938 is an apocalyptic number.
85948938 is an abundant number, since it is smaller than the sum of its proper divisors (106640712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85948938 is a wasteful number, since it uses less digits than its factorization.
85948938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 530563 (or 530554 counting only the distinct ones).
The product of its digits is 2488320, while the sum is 54.
The square root of 85948938 is about 9270.8650081856. The cubic root of 85948938 is about 441.3131192893.
The spelling of 85948938 in words is "eighty-five million, nine hundred forty-eight thousand, nine hundred thirty-eight".
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