Base | Representation |
---|---|
bin | 1100101100001… |
… | …1111101011011 |
3 | 10201011102211020 |
4 | 3023003331123 |
5 | 102111401301 |
6 | 5140533523 |
7 | 1214313510 |
oct | 313037533 |
9 | 121142736 |
10 | 53231451 |
11 | 28058639 |
12 | 159b12a3 |
13 | b04a200 |
14 | 70d9307 |
15 | 4a17436 |
hex | 32c3f5b |
53231451 has 48 divisors (see below), whose sum is σ = 89807616. Its totient is φ = 27451008.
The previous prime is 53231449. The next prime is 53231473. The reversal of 53231451 is 15413235.
It is not a de Polignac number, because 53231451 - 21 = 53231449 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53231441) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 187956 + ... + 188238.
It is an arithmetic number, because the mean of its divisors is an integer number (1870992).
Almost surely, 253231451 is an apocalyptic number.
53231451 is a deficient number, since it is larger than the sum of its proper divisors (36576165).
53231451 is a wasteful number, since it uses less digits than its factorization.
53231451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 372 (or 359 counting only the distinct ones).
The product of its digits is 1800, while the sum is 24.
The square root of 53231451 is about 7295.9886924254. The cubic root of 53231451 is about 376.1745713999.
Adding to 53231451 its reverse (15413235), we get a palindrome (68644686).
The spelling of 53231451 in words is "fifty-three million, two hundred thirty-one thousand, four hundred fifty-one".
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