Base | Representation |
---|---|
bin | 1100001010100… |
… | …1111010010101 |
3 | 10120000110201022 |
4 | 3002221322111 |
5 | 101030340410 |
6 | 5021410525 |
7 | 1156504346 |
oct | 302517225 |
9 | 116013638 |
10 | 51027605 |
11 | 26892882 |
12 | 15109a45 |
13 | a758065 |
14 | 6ac40cd |
15 | 472e455 |
hex | 30a9e95 |
51027605 has 8 divisors (see below), whose sum is σ = 62388792. Its totient is φ = 40051648.
The previous prime is 51027577. The next prime is 51027611. The reversal of 51027605 is 50672015.
51027605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 1592644 + 49434961 = 1262^2 + 7031^2 .
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 51027605 - 212 = 51023509 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96014 + ... + 96543.
It is an arithmetic number, because the mean of its divisors is an integer number (7798599).
Almost surely, 251027605 is an apocalyptic number.
It is an amenable number.
51027605 is a deficient number, since it is larger than the sum of its proper divisors (11361187).
51027605 is a wasteful number, since it uses less digits than its factorization.
51027605 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 192615.
The product of its (nonzero) digits is 2100, while the sum is 26.
The square root of 51027605 is about 7143.3609036643. The cubic root of 51027605 is about 370.9098741417.
The spelling of 51027605 in words is "fifty-one million, twenty-seven thousand, six hundred five".
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