Base | Representation |
---|---|
bin | 1100010001001… |
… | …0010101101111 |
3 | 10120211012110110 |
4 | 3010102111233 |
5 | 101133032333 |
6 | 5034511103 |
7 | 1163235402 |
oct | 304222557 |
9 | 116735413 |
10 | 51455343 |
11 | 27055185 |
12 | 15295493 |
13 | a877964 |
14 | 6b95d39 |
15 | 47b6063 |
hex | 311256f |
51455343 has 8 divisors (see below), whose sum is σ = 68850688. Its totient is φ = 34181784.
The previous prime is 51455321. The next prime is 51455377. The reversal of 51455343 is 34355415.
51455343 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 not a de Polignac number, because 51455343 - 28 = 51455087 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 51455343.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51455143) 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 7 ways as a sum of consecutive naturals, for example, 29455 + ... + 31152.
It is an arithmetic number, because the mean of its divisors is an integer number (8606336).
Almost surely, 251455343 is an apocalyptic number.
51455343 is a deficient number, since it is larger than the sum of its proper divisors (17395345).
51455343 is a wasteful number, since it uses less digits than its factorization.
51455343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60893.
The product of its digits is 18000, while the sum is 30.
The square root of 51455343 is about 7173.2379717949. The cubic root of 51455343 is about 371.9433735636.
The spelling of 51455343 in words is "fifty-one million, four hundred fifty-five thousand, three hundred forty-three".
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