Base | Representation |
---|---|
bin | 10011110000010001111000 |
3 | 100202002112212 |
4 | 103300101320 |
5 | 2311202423 |
6 | 302554252 |
7 | 62005430 |
oct | 23602170 |
9 | 10662485 |
10 | 5178488 |
11 | 2a17747 |
12 | 1898988 |
13 | 10c40c3 |
14 | 98b2c0 |
15 | 6c4578 |
hex | 4f0478 |
5178488 has 64 divisors (see below), whose sum is σ = 12134400. Its totient is φ = 2021760.
The previous prime is 5178487. The next prime is 5178499. The reversal of 5178488 is 8848715.
It is a super-3 number, since 3×51784883 (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5178487) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32906 + ... + 33062.
It is an arithmetic number, because the mean of its divisors is an integer number (189600).
Almost surely, 25178488 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 5178488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6067200).
5178488 is an abundant number, since it is smaller than the sum of its proper divisors (6955912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5178488 is a wasteful number, since it uses less digits than its factorization.
5178488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 220 (or 216 counting only the distinct ones).
The product of its digits is 71680, while the sum is 41.
The square root of 5178488 is about 2275.6291437754. The cubic root of 5178488 is about 173.0085865630.
The spelling of 5178488 in words is "five million, one hundred seventy-eight thousand, four hundred eighty-eight".
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