Base | Representation |
---|---|
bin | 1100101111011… |
… | …1110110111111 |
3 | 10201120020102120 |
4 | 3023313312333 |
5 | 102140202111 |
6 | 5145254023 |
7 | 1216160334 |
oct | 313676677 |
9 | 121506376 |
10 | 53444031 |
11 | 28193323 |
12 | 15a94313 |
13 | b0c2bb4 |
14 | 715298b |
15 | 4a5a406 |
hex | 32f7dbf |
53444031 has 8 divisors (see below), whose sum is σ = 73557504. Its totient is φ = 34479960.
The previous prime is 53444011. The next prime is 53444047. The reversal of 53444031 is 13044435.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 53444031 - 213 = 53435839 is a prime.
It is a super-2 number, since 2×534440312 = 5712528899057922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 53443992 and 53444010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53444011) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287241 + ... + 287426.
It is an arithmetic number, because the mean of its divisors is an integer number (9194688).
Almost surely, 253444031 is an apocalyptic number.
53444031 is a deficient number, since it is larger than the sum of its proper divisors (20113473).
53444031 is a wasteful number, since it uses less digits than its factorization.
53444031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 574701.
The product of its (nonzero) digits is 2880, while the sum is 24.
The square root of 53444031 is about 7310.5424559331. The cubic root of 53444031 is about 376.6746578129.
Adding to 53444031 its reverse (13044435), we get a palindrome (66488466).
The spelling of 53444031 in words is "fifty-three million, four hundred forty-four thousand, thirty-one".
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