Base | Representation |
---|---|
bin | 1100001110000… |
… | …1001111100001 |
3 | 10120102222121020 |
4 | 3003201033201 |
5 | 101110113431 |
6 | 5030320053 |
7 | 1161440163 |
oct | 303411741 |
9 | 116388536 |
10 | 51254241 |
11 | 26a28085 |
12 | 151b9029 |
13 | a80726c |
14 | 6b42933 |
15 | 4776696 |
hex | 30e13e1 |
51254241 has 8 divisors (see below), whose sum is σ = 68683200. Its totient is φ = 33997392.
The previous prime is 51254239. The next prime is 51254257. The reversal of 51254241 is 14245215.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 51254241 - 21 = 51254239 is a prime.
It is not an unprimeable number, because it can be changed into a prime (51254041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42330 + ... + 43523.
It is an arithmetic number, because the mean of its divisors is an integer number (8585400).
Almost surely, 251254241 is an apocalyptic number.
It is an amenable number.
51254241 is a deficient number, since it is larger than the sum of its proper divisors (17428959).
51254241 is a wasteful number, since it uses less digits than its factorization.
51254241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86055.
The product of its digits is 1600, while the sum is 24.
The square root of 51254241 is about 7159.2067297990. The cubic root of 51254241 is about 371.4581877131.
Adding to 51254241 its reverse (14245215), we get a palindrome (65499456).
The spelling of 51254241 in words is "fifty-one million, two hundred fifty-four thousand, two hundred forty-one".
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