| Base | Representation |
|---|---|
| bin | 10110100011100… |
| … | …01011000010000 |
| 3 | 111012000202200200 |
| 4 | 23101301120100 |
| 5 | 341414124310 |
| 6 | 30435215200 |
| 7 | 4455146025 |
| oct | 1321613020 |
| 9 | 435022620 |
| 10 | 189208080 |
| 11 | 97891916 |
| 12 | 53447500 |
| 13 | 30279159 |
| 14 | 1b1b354c |
| 15 | 119269c0 |
| hex | b471610 |
189208080 has 120 divisors (see below), whose sum is σ = 668915520. Its totient is φ = 47796480.
The previous prime is 189208073. The next prime is 189208087. The reversal of 189208080 is 80802981.
It is an interprime number because it is at equal distance from previous prime (189208073) and next prime (189208087).
It is a tau number, because it is divible by the number of its divisors (120).
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (189208087) 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, 6765 + ... + 20595.
It is an arithmetic number, because the mean of its divisors is an integer number (5574296).
Almost surely, 2189208080 is an apocalyptic number.
189208080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 189208080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334457760).
189208080 is an abundant number, since it is smaller than the sum of its proper divisors (479707440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
189208080 is a wasteful number, since it uses less digits than its factorization.
189208080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13869 (or 13860 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 36.
The square root of 189208080 is about 13755.2927995009. The cubic root of 189208080 is about 574.0898822044.
It can be divided in two parts, 18920 and 8080, that added together give a cube (27000 = 303).
The spelling of 189208080 in words is "one hundred eighty-nine million, two hundred eight thousand, eighty".
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