Base | Representation |
---|---|
bin | 11010100100011… |
… | …001111010100001 |
3 | 1011001202111100021 |
4 | 122210121322201 |
5 | 1403103012240 |
6 | 112121553441 |
7 | 14021551303 |
oct | 3244317241 |
9 | 1131674307 |
10 | 445750945 |
11 | 209684312 |
12 | 105345881 |
13 | 7146c973 |
14 | 432b3973 |
15 | 291ee54a |
hex | 1a919ea1 |
445750945 has 8 divisors (see below), whose sum is σ = 536074344. Its totient is φ = 355818624.
The previous prime is 445750939. The next prime is 445751003. The reversal of 445750945 is 549057544.
It can be written as a sum of positive squares in 4 ways, for example, as 18584721 + 427166224 = 4311^2 + 20668^2 .
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 445750945 - 213 = 445742753 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95254 + ... + 99823.
It is an arithmetic number, because the mean of its divisors is an integer number (67009293).
Almost surely, 2445750945 is an apocalyptic number.
It is an amenable number.
445750945 is a deficient number, since it is larger than the sum of its proper divisors (90323399).
445750945 is a wasteful number, since it uses less digits than its factorization.
445750945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 195539.
The product of its (nonzero) digits is 504000, while the sum is 43.
The square root of 445750945 is about 21112.8147105022. The cubic root of 445750945 is about 763.8898817241.
The spelling of 445750945 in words is "four hundred forty-five million, seven hundred fifty thousand, nine hundred forty-five".
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