Base | Representation |
---|---|
bin | 1100001111000… |
… | …0000101100001 |
3 | 10120120002000002 |
4 | 3003300011201 |
5 | 101114040131 |
6 | 5031505345 |
7 | 1162112351 |
oct | 303600541 |
9 | 116502002 |
10 | 51315041 |
11 | 26a69828 |
12 | 15228255 |
13 | a828b3b |
14 | 6b5ab61 |
15 | 47896cb |
hex | 30f0161 |
51315041 has 8 divisors (see below), whose sum is σ = 52859520. Its totient is φ = 49778928.
The previous prime is 51315031. The next prime is 51315053. The reversal of 51315041 is 14051315.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 51315041 - 214 = 51298657 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (51315031) 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, 11690 + ... + 15468.
It is an arithmetic number, because the mean of its divisors is an integer number (6607440).
Almost surely, 251315041 is an apocalyptic number.
It is an amenable number.
51315041 is a deficient number, since it is larger than the sum of its proper divisors (1544479).
51315041 is a wasteful number, since it uses less digits than its factorization.
51315041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4183.
The product of its (nonzero) digits is 300, while the sum is 20.
The square root of 51315041 is about 7163.4517517744. The cubic root of 51315041 is about 371.6050096018.
Adding to 51315041 its reverse (14051315), we get a palindrome (65366356).
The spelling of 51315041 in words is "fifty-one million, three hundred fifteen thousand, forty-one".
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