Base | Representation |
---|---|
bin | 10110100100100… |
… | …11100111011011 |
3 | 111012021220001120 |
4 | 23102103213123 |
5 | 341433121230 |
6 | 30442220323 |
7 | 4456301622 |
oct | 1322234733 |
9 | 435256046 |
10 | 189348315 |
11 | 97978212 |
12 | 534b46a3 |
13 | 302c7c30 |
14 | 1b20c6b9 |
15 | 11953310 |
hex | b4939db |
189348315 has 32 divisors (see below), whose sum is σ = 330220800. Its totient is φ = 92086656.
The previous prime is 189348311. The next prime is 189348347. The reversal of 189348315 is 513843981.
It is not a de Polignac number, because 189348315 - 22 = 189348311 is a prime.
It is not an unprimeable number, because it can be changed into a prime (189348311) 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, 10336 + ... + 22034.
It is an arithmetic number, because the mean of its divisors is an integer number (10319400).
Almost surely, 2189348315 is an apocalyptic number.
189348315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
189348315 is a deficient number, since it is larger than the sum of its proper divisors (140872485).
189348315 is a wasteful number, since it uses less digits than its factorization.
189348315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11803.
The product of its digits is 103680, while the sum is 42.
The square root of 189348315 is about 13760.3893476893. The cubic root of 189348315 is about 574.2316795543.
The spelling of 189348315 in words is "one hundred eighty-nine million, three hundred forty-eight thousand, three hundred fifteen".
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