Base | Representation |
---|---|
bin | 1100001100001… |
… | …0111101111010 |
3 | 10120012200111101 |
4 | 3003002331322 |
5 | 101042131414 |
6 | 5023522014 |
7 | 1160412511 |
oct | 303027572 |
9 | 116180441 |
10 | 51130234 |
11 | 269529a1 |
12 | 1515930a |
13 | a79299c |
14 | 6b0d678 |
15 | 474ea74 |
hex | 30c2f7a |
51130234 has 8 divisors (see below), whose sum is σ = 76733748. Its totient is φ = 25552320.
The previous prime is 51130231. The next prime is 51130243. The reversal of 51130234 is 43203115.
It can be written as a sum of positive squares in 2 ways, for example, as 51079609 + 50625 = 7147^2 + 225^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×511302342 = 5228601657789512, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (51130231) 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, 207 + ... + 10114.
Almost surely, 251130234 is an apocalyptic number.
51130234 is a deficient number, since it is larger than the sum of its proper divisors (25603514).
51130234 is a wasteful number, since it uses less digits than its factorization.
51130234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12800.
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 51130234 is about 7150.5408187074. The cubic root of 51130234 is about 371.1583711259.
Adding to 51130234 its reverse (43203115), we get a palindrome (94333349).
The spelling of 51130234 in words is "fifty-one million, one hundred thirty thousand, two hundred thirty-four".
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