Base | Representation |
---|---|
bin | 1100010001100… |
… | …1100110011110 |
3 | 10120212201021001 |
4 | 3010121212132 |
5 | 101140010321 |
6 | 5035300514 |
7 | 1163421202 |
oct | 304314636 |
9 | 116781231 |
10 | 51485086 |
11 | 27075564 |
12 | 152aa73a |
13 | a888363 |
14 | 6ba2b02 |
15 | 47bec91 |
hex | 311999e |
51485086 has 8 divisors (see below), whose sum is σ = 80585424. Its totient is φ = 24623280.
The previous prime is 51485059. The next prime is 51485087. The reversal of 51485086 is 68058415.
51485086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51485087) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 559575 + ... + 559666.
It is an arithmetic number, because the mean of its divisors is an integer number (10073178).
Almost surely, 251485086 is an apocalyptic number.
51485086 is a deficient number, since it is larger than the sum of its proper divisors (29100338).
51485086 is a wasteful number, since it uses less digits than its factorization.
51485086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1119266.
The product of its (nonzero) digits is 38400, while the sum is 37.
The square root of 51485086 is about 7175.3108643459. The cubic root of 51485086 is about 372.0150252150.
The spelling of 51485086 in words is "fifty-one million, four hundred eighty-five thousand, eighty-six".
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