Base | Representation |
---|---|
bin | 1100001000001… |
… | …1010100010000 |
3 | 10112201102212022 |
4 | 3002003110100 |
5 | 101010311040 |
6 | 5014151012 |
7 | 1155245432 |
oct | 302032420 |
9 | 115642768 |
10 | 50869520 |
11 | 26795029 |
12 | 15052468 |
13 | a701110 |
14 | 6a82652 |
15 | 46ec6b5 |
hex | 3083510 |
50869520 has 80 divisors (see below), whose sum is σ = 130585392. Its totient is φ = 18309120.
The previous prime is 50869513. The next prime is 50869523. The reversal of 50869520 is 2596805.
It can be written as a sum of positive squares in 8 ways, for example, as 13512976 + 37356544 = 3676^2 + 6112^2 .
It is a tau number, because it is divible by the number of its divisors (80).
It is not an unprimeable number, because it can be changed into a prime (50869523) 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, 42044 + ... + 43236.
Almost surely, 250869520 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 50869520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65292696).
50869520 is an abundant number, since it is smaller than the sum of its proper divisors (79715872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50869520 is a wasteful number, since it uses less digits than its factorization.
50869520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1260 (or 1254 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 35.
The square root of 50869520 is about 7132.2871506972. The cubic root of 50869520 is about 370.5264480650.
The spelling of 50869520 in words is "fifty million, eight hundred sixty-nine thousand, five hundred twenty".
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