Base | Representation |
---|---|
bin | 1100001010110… |
… | …1001110111111 |
3 | 10120001011101101 |
4 | 3002231032333 |
5 | 101031304330 |
6 | 5021553531 |
7 | 1156562131 |
oct | 302551677 |
9 | 116034341 |
10 | 51041215 |
11 | 268a2025 |
12 | 151158a7 |
13 | a761304 |
14 | 6ac9051 |
15 | 47334ca |
hex | 30ad3bf |
51041215 has 8 divisors (see below), whose sum is σ = 62674128. Its totient is φ = 39883200.
The previous prime is 51041197. The next prime is 51041219. The reversal of 51041215 is 51214015.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-51041215 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 51041192 and 51041201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51041219) 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, 118486 + ... + 118915.
It is an arithmetic number, because the mean of its divisors is an integer number (7834266).
Almost surely, 251041215 is an apocalyptic number.
51041215 is a deficient number, since it is larger than the sum of its proper divisors (11632913).
51041215 is a wasteful number, since it uses less digits than its factorization.
51041215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 237449.
The product of its (nonzero) digits is 200, while the sum is 19.
The square root of 51041215 is about 7144.3134729658. The cubic root of 51041215 is about 370.9428473702.
The spelling of 51041215 in words is "fifty-one million, forty-one thousand, two hundred fifteen".
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