Base | Representation |
---|---|
bin | 1111100111001… |
… | …1100101001011 |
3 | 11120012222201020 |
4 | 3321303211023 |
5 | 113231011011 |
6 | 10255323523 |
7 | 1423420515 |
oct | 371634513 |
9 | 146188636 |
10 | 65485131 |
11 | 33a67a48 |
12 | 19b205a3 |
13 | 1074a7ca |
14 | 89a8bb5 |
15 | 5b38006 |
hex | 3e7394b |
65485131 has 8 divisors (see below), whose sum is σ = 87410064. Its totient is φ = 43608480.
The previous prime is 65485127. The next prime is 65485141. The reversal of 65485131 is 13158456.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 65485131 - 22 = 65485127 is a prime.
It is a super-2 number, since 2×654851312 = 8576604764174322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 65485092 and 65485101.
It is not an unprimeable number, because it can be changed into a prime (65485111) 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, 8776 + ... + 14421.
It is an arithmetic number, because the mean of its divisors is an integer number (10926258).
Almost surely, 265485131 is an apocalyptic number.
65485131 is a deficient number, since it is larger than the sum of its proper divisors (21924933).
65485131 is a wasteful number, since it uses less digits than its factorization.
65485131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24141.
The product of its digits is 14400, while the sum is 33.
The square root of 65485131 is about 8092.2883660927. The cubic root of 65485131 is about 403.0703943103.
The spelling of 65485131 in words is "sixty-five million, four hundred eighty-five thousand, one hundred thirty-one".
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