Base | Representation |
---|---|
bin | 10110100101011… |
… | …11110001110110 |
3 | 111012111202021222 |
4 | 23102233301312 |
5 | 342000314140 |
6 | 30444510342 |
7 | 4460262134 |
oct | 1322576166 |
9 | 435452258 |
10 | 189463670 |
11 | 97a46950 |
12 | 5354b3b2 |
13 | 303385a6 |
14 | 1b23c754 |
15 | 119775b5 |
hex | b4afc76 |
189463670 has 32 divisors (see below), whose sum is σ = 384873120. Its totient is φ = 66519040.
The previous prime is 189463669. The next prime is 189463679. The reversal of 189463670 is 76364981.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (189463679) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26507 + ... + 32886.
It is an arithmetic number, because the mean of its divisors is an integer number (12027285).
Almost surely, 2189463670 is an apocalyptic number.
189463670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
189463670 is an abundant number, since it is smaller than the sum of its proper divisors (195409450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
189463670 is a wasteful number, since it uses less digits than its factorization.
189463670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59440.
The product of its (nonzero) digits is 217728, while the sum is 44.
The square root of 189463670 is about 13764.5802696631. The cubic root of 189463670 is about 574.3482672448.
The spelling of 189463670 in words is "one hundred eighty-nine million, four hundred sixty-three thousand, six hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •