Base | Representation |
---|---|
bin | 1010010101100… |
… | …01001011101010 |
3 | 20001011021100100 |
4 | 11022301023222 |
5 | 134144141340 |
6 | 12334250230 |
7 | 2102004555 |
oct | 512611352 |
9 | 201137310 |
10 | 86708970 |
11 | 44a43807 |
12 | 25056976 |
13 | 14c6bcaa |
14 | b73169c |
15 | 792b830 |
hex | 52b12ea |
86708970 has 48 divisors (see below), whose sum is σ = 237313440. Its totient is φ = 21904992.
The previous prime is 86708957. The next prime is 86708971. The reversal of 86708970 is 7980768.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (86708971) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23644 + ... + 27063.
It is an arithmetic number, because the mean of its divisors is an integer number (4944030).
Almost surely, 286708970 is an apocalyptic number.
86708970 is an abundant number, since it is smaller than the sum of its proper divisors (150604470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86708970 is a wasteful number, since it uses less digits than its factorization.
86708970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50739 (or 50736 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 45.
The square root of 86708970 is about 9311.7651387908. The cubic root of 86708970 is about 442.6101229319.
It can be divided in two parts, 86708 and 970, that added together give a palindrome (87678).
The spelling of 86708970 in words is "eighty-six million, seven hundred eight thousand, nine hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.116 sec. • engine limits •