Base | Representation |
---|---|
bin | 1100100000101… |
… | …1010000000000 |
3 | 10122202000000002 |
4 | 3020023100000 |
5 | 101413144010 |
6 | 5112415132 |
7 | 1205012663 |
oct | 310132000 |
9 | 118660002 |
10 | 52474880 |
11 | 27691177 |
12 | 156a74a8 |
13 | ab43a33 |
14 | 6d7d6da |
15 | 49181a5 |
hex | 320b400 |
52474880 has 88 divisors (see below), whose sum is σ = 129747048. Its totient is φ = 20348928.
The previous prime is 52474861. The next prime is 52474883. The reversal of 52474880 is 8847425.
It can be written as a sum of positive squares in 4 ways, for example, as 6885376 + 45589504 = 2624^2 + 6752^2 .
It is a super-2 number, since 2×524748802 = 5507226062028800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52474883) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189302 + ... + 189578.
Almost surely, 252474880 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 52474880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64873524).
52474880 is an abundant number, since it is smaller than the sum of its proper divisors (77272168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52474880 is a wasteful number, since it uses less digits than its factorization.
52474880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 339 (or 321 counting only the distinct ones).
The product of its (nonzero) digits is 71680, while the sum is 38.
The square root of 52474880 is about 7243.9547210070. The cubic root of 52474880 is about 374.3838890479.
The spelling of 52474880 in words is "fifty-two million, four hundred seventy-four thousand, eight hundred eighty".
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