Base | Representation |
---|---|
bin | 10110100101110… |
… | …10011000001011 |
3 | 111012120221211212 |
4 | 23102322120023 |
5 | 342003211313 |
6 | 30445443335 |
7 | 4460532533 |
oct | 1322723013 |
9 | 435527755 |
10 | 189507083 |
11 | 97a76527 |
12 | 5357054b |
13 | 3035228c |
14 | 1b2504c3 |
15 | 119853a8 |
hex | b4ba60b |
189507083 has 8 divisors (see below), whose sum is σ = 206360400. Its totient is φ = 173341728.
The previous prime is 189507047. The next prime is 189507107. The reversal of 189507083 is 380705981.
It is a happy number.
189507083 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 189507083 - 212 = 189502987 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 189507083.
It is not an unprimeable number, because it can be changed into a prime (189507583) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171416 + ... + 172517.
It is an arithmetic number, because the mean of its divisors is an integer number (25795050).
Almost surely, 2189507083 is an apocalyptic number.
189507083 is a deficient number, since it is larger than the sum of its proper divisors (16853317).
189507083 is a wasteful number, since it uses less digits than its factorization.
189507083 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 343981.
The product of its (nonzero) digits is 60480, while the sum is 41.
The square root of 189507083 is about 13766.1571616773. The cubic root of 189507083 is about 574.3921319026.
The spelling of 189507083 in words is "one hundred eighty-nine million, five hundred seven thousand, eighty-three".
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