Base | Representation |
---|---|
bin | 1111100011101… |
… | …0011100111010 |
3 | 11112210002201112 |
4 | 3320322130322 |
5 | 113201014010 |
6 | 10250320322 |
7 | 1421424350 |
oct | 370723472 |
9 | 145702645 |
10 | 65251130 |
11 | 3391815a |
12 | 19a290a2 |
13 | 10698149 |
14 | 89477d0 |
15 | 5adda05 |
hex | 3e3a73a |
65251130 has 64 divisors (see below), whose sum is σ = 143493120. Its totient is φ = 20865600.
The previous prime is 65251103. The next prime is 65251133. The reversal of 65251130 is 3115256.
It is a junction number, because it is equal to n+sod(n) for n = 65251096 and 65251105.
It is not an unprimeable number, because it can be changed into a prime (65251133) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94085 + ... + 94775.
It is an arithmetic number, because the mean of its divisors is an integer number (2242080).
Almost surely, 265251130 is an apocalyptic number.
65251130 is an abundant number, since it is smaller than the sum of its proper divisors (78241990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65251130 is a wasteful number, since it uses less digits than its factorization.
65251130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 795.
The product of its (nonzero) digits is 900, while the sum is 23.
The square root of 65251130 is about 8077.8171556430. The cubic root of 65251130 is about 402.5897180504.
Adding to 65251130 its reverse (3115256), we get a palindrome (68366386).
The spelling of 65251130 in words is "sixty-five million, two hundred fifty-one thousand, one hundred thirty".
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