Base | Representation |
---|---|
bin | 10001010111111… |
… | …11000100111011 |
3 | 101011020210001120 |
4 | 20223333010323 |
5 | 244302421113 |
6 | 22243520323 |
7 | 3416561052 |
oct | 1053770473 |
9 | 334223046 |
10 | 145748283 |
11 | 752a892a |
12 | 409890a3 |
13 | 242708b5 |
14 | 154dd399 |
15 | cbdea23 |
hex | 8aff13b |
145748283 has 8 divisors (see below), whose sum is σ = 195318288. Its totient is φ = 96671904.
The previous prime is 145748279. The next prime is 145748299. The reversal of 145748283 is 382847541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 145748283 - 22 = 145748279 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (145748203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122716 + ... + 123897.
It is an arithmetic number, because the mean of its divisors is an integer number (24414786).
Almost surely, 2145748283 is an apocalyptic number.
145748283 is a deficient number, since it is larger than the sum of its proper divisors (49570005).
145748283 is a wasteful number, since it uses less digits than its factorization.
145748283 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 246813.
The product of its digits is 215040, while the sum is 42.
The square root of 145748283 is about 12072.6253565660. The cubic root of 145748283 is about 526.2609544796.
The spelling of 145748283 in words is "one hundred forty-five million, seven hundred forty-eight thousand, two hundred eighty-three".
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