Base | Representation |
---|---|
bin | 1100101111001… |
… | …1010100101010 |
3 | 10201112021221101 |
4 | 3023303110222 |
5 | 102134103300 |
6 | 5145032014 |
7 | 1216052221 |
oct | 313632452 |
9 | 121467841 |
10 | 53425450 |
11 | 28180371 |
12 | 15a8560a |
13 | b0b75c0 |
14 | 7149cb8 |
15 | 4a54b6a |
hex | 32f352a |
53425450 has 24 divisors (see below), whose sum is σ = 107016588. Its totient is φ = 19726080.
The previous prime is 53425439. The next prime is 53425451. The reversal of 53425450 is 5452435.
It can be written as a sum of positive squares in 6 ways, for example, as 558009 + 52867441 = 747^2 + 7271^2 .
It is not an unprimeable number, because it can be changed into a prime (53425451) 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, 40447 + ... + 41746.
Almost surely, 253425450 is an apocalyptic number.
53425450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
53425450 is an abundant number, since it is smaller than the sum of its proper divisors (53591138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53425450 is a wasteful number, since it uses less digits than its factorization.
53425450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82218 (or 82213 counting only the distinct ones).
The product of its (nonzero) digits is 12000, while the sum is 28.
The square root of 53425450 is about 7309.2715095282. The cubic root of 53425450 is about 376.6309996596.
Adding to 53425450 its reverse (5452435), we get a palindrome (58877885).
It can be divided in two parts, 53 and 425450, that added together give a triangular number (425503 = T922).
The spelling of 53425450 in words is "fifty-three million, four hundred twenty-five thousand, four hundred fifty".
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