Base | Representation |
---|---|
bin | 1100010010100… |
… | …0000010110001 |
3 | 10120222201101222 |
4 | 3010220002301 |
5 | 101143403431 |
6 | 5040434425 |
7 | 1164055520 |
oct | 304500261 |
9 | 116881358 |
10 | 51544241 |
11 | 27105a51 |
12 | 15318a15 |
13 | a8a9268 |
14 | 6bba4b7 |
15 | 47d257b |
hex | 31280b1 |
51544241 has 4 divisors (see below), whose sum is σ = 58907712. Its totient is φ = 44180772.
The previous prime is 51544237. The next prime is 51544271. The reversal of 51544241 is 14244515.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 51544241 - 22 = 51544237 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 51544241.
It is not an unprimeable number, because it can be changed into a prime (51544201) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3681725 + ... + 3681738.
It is an arithmetic number, because the mean of its divisors is an integer number (14726928).
Almost surely, 251544241 is an apocalyptic number.
It is an amenable number.
51544241 is a deficient number, since it is larger than the sum of its proper divisors (7363471).
51544241 is an equidigital number, since it uses as much as digits as its factorization.
51544241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7363470.
The product of its digits is 3200, while the sum is 26.
The square root of 51544241 is about 7179.4318020300. The cubic root of 51544241 is about 372.1574491516.
Adding to 51544241 its reverse (14244515), we get a palindrome (65788756).
The spelling of 51544241 in words is "fifty-one million, five hundred forty-four thousand, two hundred forty-one".
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