Base | Representation |
---|---|
bin | 1010010100110… |
… | …01010000011001 |
3 | 20000222021220200 |
4 | 11022121100121 |
5 | 134133022334 |
6 | 12332212413 |
7 | 2101116054 |
oct | 512312031 |
9 | 200867820 |
10 | 86610969 |
11 | 44987115 |
12 | 2500a109 |
13 | 14c364c3 |
14 | b707a9b |
15 | 790c799 |
hex | 5299419 |
86610969 has 24 divisors (see below), whose sum is σ = 129230400. Its totient is φ = 55855008.
The previous prime is 86610961. The next prime is 86611003. The reversal of 86610969 is 96901668.
It is not a de Polignac number, because 86610969 - 23 = 86610961 is a prime.
It is a super-2 number, since 2×866109692 = 15002919902237922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (86610961) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65614 + ... + 66920.
It is an arithmetic number, because the mean of its divisors is an integer number (5384600).
Almost surely, 286610969 is an apocalyptic number.
It is an amenable number.
86610969 is a deficient number, since it is larger than the sum of its proper divisors (42619431).
86610969 is a wasteful number, since it uses less digits than its factorization.
86610969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1549 (or 1546 counting only the distinct ones).
The product of its (nonzero) digits is 139968, while the sum is 45.
The square root of 86610969 is about 9306.5014371675. The cubic root of 86610969 is about 442.4433097920.
The spelling of 86610969 in words is "eighty-six million, six hundred ten thousand, nine hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •