Base | Representation |
---|---|
bin | 1100001011000… |
… | …0011111011001 |
3 | 10120001211200101 |
4 | 3002300133121 |
5 | 101032221203 |
6 | 5022135401 |
7 | 1156646044 |
oct | 302603731 |
9 | 116054611 |
10 | 51054553 |
11 | 26901050 |
12 | 15121561 |
13 | a7673c4 |
14 | 6acdc5b |
15 | 473741d |
hex | 30b07d9 |
51054553 has 16 divisors (see below), whose sum is σ = 60419520. Its totient is φ = 42611200.
The previous prime is 51054541. The next prime is 51054569. The reversal of 51054553 is 35545015.
51054553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-51054553 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (51054593) 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 15 ways as a sum of consecutive naturals, for example, 4338 + ... + 10996.
It is an arithmetic number, because the mean of its divisors is an integer number (3776220).
Almost surely, 251054553 is an apocalyptic number.
It is an amenable number.
51054553 is a deficient number, since it is larger than the sum of its proper divisors (9364967).
51054553 is a wasteful number, since it uses less digits than its factorization.
51054553 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6728.
The product of its (nonzero) digits is 7500, while the sum is 28.
The square root of 51054553 is about 7145.2468816690. The cubic root of 51054553 is about 370.9751559323.
Adding to 51054553 its reverse (35545015), we get a palindrome (86599568).
The spelling of 51054553 in words is "fifty-one million, fifty-four thousand, five hundred fifty-three".
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