Base | Representation |
---|---|
bin | 10110100100111… |
… | …10110101010100 |
3 | 111012101020002020 |
4 | 23102132311110 |
5 | 341441104020 |
6 | 30443213140 |
7 | 4456552566 |
oct | 1322366524 |
9 | 435336066 |
10 | 189394260 |
11 | 979a9790 |
12 | 535171b0 |
13 | 30312b13 |
14 | 1b221336 |
15 | 11961c40 |
hex | b49ed54 |
189394260 has 96 divisors (see below), whose sum is σ = 587284992. Its totient is φ = 45217920.
The previous prime is 189394253. The next prime is 189394267. The reversal of 189394260 is 62493981.
It is an interprime number because it is at equal distance from previous prime (189394253) and next prime (189394267).
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (189394267) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42079 + ... + 46361.
It is an arithmetic number, because the mean of its divisors is an integer number (6117552).
Almost surely, 2189394260 is an apocalyptic number.
189394260 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 189394260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293642496).
189394260 is an abundant number, since it is smaller than the sum of its proper divisors (397890732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
189394260 is a wasteful number, since it uses less digits than its factorization.
189394260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4373 (or 4371 counting only the distinct ones).
The product of its (nonzero) digits is 93312, while the sum is 42.
The square root of 189394260 is about 13762.0587122712. The cubic root of 189394260 is about 574.2781211979.
The spelling of 189394260 in words is "one hundred eighty-nine million, three hundred ninety-four thousand, two hundred sixty".
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