Base | Representation |
---|---|
bin | 1111100000101… |
… | …0010110110011 |
3 | 11112102002111021 |
4 | 3320022112303 |
5 | 113123213011 |
6 | 10242200311 |
7 | 1416644122 |
oct | 370122663 |
9 | 145362437 |
10 | 65054131 |
11 | 337a314a |
12 | 19953097 |
13 | 1062958c |
14 | 88d5ab9 |
15 | 5aa0471 |
hex | 3e0a5b3 |
65054131 has 4 divisors (see below), whose sum is σ = 65185000. Its totient is φ = 64923264.
The previous prime is 65054123. The next prime is 65054159. The reversal of 65054131 is 13145056.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 65054131 - 23 = 65054123 is a prime.
It is a super-2 number, since 2×650541312 = 8464079920330322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 65054096 and 65054105.
It is not an unprimeable number, because it can be changed into a prime (65054831) 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, 64686 + ... + 65683.
It is an arithmetic number, because the mean of its divisors is an integer number (16296250).
Almost surely, 265054131 is an apocalyptic number.
65054131 is a deficient number, since it is larger than the sum of its proper divisors (130869).
65054131 is a wasteful number, since it uses less digits than its factorization.
65054131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130868.
The product of its (nonzero) digits is 1800, while the sum is 25.
The square root of 65054131 is about 8065.6141117710. The cubic root of 65054131 is about 402.1841581751.
Adding to 65054131 its reverse (13145056), we get a palindrome (78199187).
The spelling of 65054131 in words is "sixty-five million, fifty-four thousand, one hundred thirty-one".
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