Base | Representation |
---|---|
bin | 10110111110011… |
… | …01001110111101 |
3 | 111102122200220211 |
4 | 23133031032331 |
5 | 343314330140 |
6 | 31042512421 |
7 | 4530115114 |
oct | 1337151675 |
9 | 442580824 |
10 | 192730045 |
11 | 99877a32 |
12 | 54665711 |
13 | 30c10261 |
14 | 1b84cc7b |
15 | 11dc02ea |
hex | b7cd3bd |
192730045 has 8 divisors (see below), whose sum is σ = 231387480. Its totient is φ = 154109760.
The previous prime is 192730039. The next prime is 192730061. The reversal of 192730045 is 540037291.
It can be written as a sum of positive squares in 4 ways, for example, as 879844 + 191850201 = 938^2 + 13851^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 192730045 - 225 = 159175613 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 192729989 and 192730016.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3811 + ... + 19999.
It is an arithmetic number, because the mean of its divisors is an integer number (28923435).
Almost surely, 2192730045 is an apocalyptic number.
It is an amenable number.
192730045 is a deficient number, since it is larger than the sum of its proper divisors (38657435).
192730045 is a wasteful number, since it uses less digits than its factorization.
192730045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18575.
The product of its (nonzero) digits is 7560, while the sum is 31.
The square root of 192730045 is about 13882.7246965428. The cubic root of 192730045 is about 577.6300888200.
The spelling of 192730045 in words is "one hundred ninety-two million, seven hundred thirty thousand, forty-five".
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