Base | Representation |
---|---|
bin | 1000111011010… |
… | …11101011010000 |
3 | 12012220210200100 |
4 | 10131223223100 |
5 | 123132434221 |
6 | 11233052400 |
7 | 1566361002 |
oct | 435535320 |
9 | 165823610 |
10 | 74889936 |
11 | 39300a10 |
12 | 210b7100 |
13 | 12691494 |
14 | 9d36372 |
15 | 6894926 |
hex | 476bad0 |
74889936 has 60 divisors (see below), whose sum is σ = 228646080. Its totient is φ = 22693440.
The previous prime is 74889929. The next prime is 74889937. The reversal of 74889936 is 63998847.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74889937) 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, 22056 + ... + 25223.
It is an arithmetic number, because the mean of its divisors is an integer number (3810768).
Almost surely, 274889936 is an apocalyptic number.
It is an amenable number.
74889936 is an abundant number, since it is smaller than the sum of its proper divisors (153756144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74889936 is a wasteful number, since it uses less digits than its factorization.
74889936 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47304 (or 47295 counting only the distinct ones).
The product of its digits is 2612736, while the sum is 54.
The square root of 74889936 is about 8653.8971567728. The cubic root of 74889936 is about 421.5099392716.
It can be divided in two parts, 7488 and 9936, that added together give a square (17424 = 1322).
The spelling of 74889936 in words is "seventy-four million, eight hundred eighty-nine thousand, nine hundred thirty-six".
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