Base | Representation |
---|---|
bin | 110110110110001… |
… | …010011000110010 |
3 | 2101010110101011210 |
4 | 312312022120302 |
5 | 3341030333421 |
6 | 231150220550 |
7 | 31542204333 |
oct | 6666123062 |
9 | 2333411153 |
10 | 920167986 |
11 | 432457911 |
12 | 2181b4756 |
13 | 1188383ca |
14 | 8a2ca28a |
15 | 55bb2576 |
hex | 36d8a632 |
920167986 has 32 divisors (see below), whose sum is σ = 1941508800. Its totient is φ = 289932480.
The previous prime is 920167979. The next prime is 920167987. The reversal of 920167986 is 689761029.
920167986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (920167987) 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, 43800 + ... + 61308.
It is an arithmetic number, because the mean of its divisors is an integer number (60672150).
Almost surely, 2920167986 is an apocalyptic number.
920167986 is an abundant number, since it is smaller than the sum of its proper divisors (1021340814).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
920167986 is a wasteful number, since it uses less digits than its factorization.
920167986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17994.
The product of its (nonzero) digits is 326592, while the sum is 48.
The square root of 920167986 is about 30334.2708170149. The cubic root of 920167986 is about 972.6480187418.
The spelling of 920167986 in words is "nine hundred twenty million, one hundred sixty-seven thousand, nine hundred eighty-six".
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