Base | Representation |
---|---|
bin | 1111110000000… |
… | …0011011001111 |
3 | 11121022022001220 |
4 | 3330000123033 |
5 | 113402441111 |
6 | 10315534423 |
7 | 1431342450 |
oct | 374003317 |
9 | 147268056 |
10 | 66062031 |
11 | 34321422 |
12 | 1a15a413 |
13 | 108c0279 |
14 | 8ab9127 |
15 | 5bede06 |
hex | 3f006cf |
66062031 has 16 divisors (see below), whose sum is σ = 105964800. Its totient is φ = 35762688.
The previous prime is 66062011. The next prime is 66062033. The reversal of 66062031 is 13026066.
It is not a de Polignac number, because 66062031 - 25 = 66061999 is a prime.
It is a super-2 number, since 2×660620312 = 8728383879689922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 66061992 and 66062010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66062033) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82386 + ... + 83183.
It is an arithmetic number, because the mean of its divisors is an integer number (6622800).
Almost surely, 266062031 is an apocalyptic number.
66062031 is a deficient number, since it is larger than the sum of its proper divisors (39902769).
66062031 is a wasteful number, since it uses less digits than its factorization.
66062031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165598.
The product of its (nonzero) digits is 1296, while the sum is 24.
The square root of 66062031 is about 8127.8552521560. The cubic root of 66062031 is about 404.2505695698.
Adding to 66062031 its reverse (13026066), we get a palindrome (79088097).
The spelling of 66062031 in words is "sixty-six million, sixty-two thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •